{"id":8,"date":"2024-04-04T07:30:14","date_gmt":"2024-04-04T04:30:14","guid":{"rendered":"https:\/\/sisu.ut.ee\/huvitavkeemia\/23-ruumala-seos-mooliga\/"},"modified":"2025-03-27T10:07:00","modified_gmt":"2025-03-27T08:07:00","slug":"23-ruumala-seos-mooliga","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/huvitavkeemia\/23-ruumala-seos-mooliga\/","title":{"rendered":"2.3. Ruumala seos mooliga"},"content":{"rendered":"<p>\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\">Vedelike v\u00f5i tahkete ainete massi on mugav m\u00f5\u00f5ta kaalumise teel. Gaasiliste ainete massi leidmine on aga k\u00fcllaltki keeruline protseduur. Palju lihtsam on m\u00f5\u00f5ta gaasiliste ainete ruumala ehk mahtu. Gaasilise aine hulga ja ruumala seob omavahel molaarruumala.<\/span><\/span><\/span>\n<\/p>\n<p>\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\">Molaarruumala on \u00fche mooli aineosakeste ruumala. Molaarruumala t\u00e4his on V<sub>m<\/sub> ja \u00fchik dm<sup>3<\/sup>\/mol. <\/span><\/span><\/span>\n<\/p>\n<p>\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\">Erinevad gaasid sisaldavad \u00fchesugustel tingimustel v\u00f5rdse ruumala korral v\u00f5rdse arvu molekule. Sellest tulenevalt on erinevate gaaside molaarruumalad \u00fchesugustel tingimustel v\u00f5rdsed. Normaaltingimustel on k\u00f5ikide gaaside molaarruumala 22,4 dm<sup>3<\/sup>\/mol. <\/span><\/span><\/span>\n<\/p>\n<h5>\n\tNormaaltingimustel on temperatuur 0\u00baC ja r\u00f5hk 1 atm.<br>\n<\/h5>\n<p>\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\">Gaaside ruumala arvutamise korral\u00a0tuleb alati arvestada temperatuuri ja r\u00f5hku. Seet\u00f5ttu kasutatakse keemias tihti v\u00e4ljendit normaaltingimused (l\u00fchendina nt).<\/span><\/span><\/span>\n<\/p>\n<p>\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\">Kuidas molaarruumala leida ning seda erinevates arvutustes kasutada, saad vaadata videost.<\/span><\/span><\/span>\n<\/p>\n<p>\n\t<\/p><div class=\"ratio ratio-16x9 mb-3\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--16x9\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n<h6>\n\tAllikas:\u00a0<a data-url=\"https:\/\/youtu.be\/taWb_GV6NXM\" href=\"https:\/\/youtu.be\/taWb_GV6NXM\" target=\"_blank\" title=\"\" rel=\"noopener\">https:\/\/youtu.be\/taWb_GV6NXM<\/a><br>\n<\/h6>\n<h5>\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\">Ainehulk on avaldatav ruumalade kaudu: <\/span><\/span><\/span>$n=\\frac{V}{V_{m}}$<br>\n<\/h5>\n<p>\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\">Molaarruumala kasutades on v\u00f5imalik arvutada gaasilise aine hulka v\u00f5i ruumala. Ainehulk on avaldatav ruumalade kaudu: <\/span><\/span><\/span>\n<\/p>\n<p style=\"margin-left: 40px\">\n\t$n=\\frac{V}{V_{m}}$,\n<\/p>\n<p>\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\">kus <i>n<\/i> on ainehulga t\u00e4his (\u00fchik mool, l\u00fchend mol), <i>V<\/i> on aine ruumala (\u00fchik dm<sup>3<\/sup>) ning V<sub>m<\/sub> on molaarruumala (v\u00e4\u00e4rtus 22,4 dm<sup>3<\/sup>\/mol, nt.). <\/span><\/span><\/span>\n<\/p>\n<p>\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\"><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69dc02e40de66-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dc02e40de66-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69dc02e40de66-collapse\">\u00dclesanne 1<\/button>\n        <\/h2>\n        <div id=\"accordion-69dc02e40de66-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69dc02e40de66-heading\">\n            <div class=\"accordion-body\"> Teisenda \u00fchikud.\n\n<p>\n\n\n<\/p><div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n<p><span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\"><\/span><\/span><\/span><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div><\/span><\/span><\/span>\n<\/p>\n<h5>\n\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">Arvutus\u00fclesannete lahendamise k\u00e4iguga oled\u00a0juba tuttav, kuid kordame selle \u00fcle.<\/span><\/span><\/span><\/span><br>\n<\/h5>\n<p>\n\tArvutus\u00fclesannete lihtsamaks lahendamiseks v\u00f5id eeskujuks v\u00f5tta j\u00e4rgnevad sammud:\n<\/p>\n<ol>\n<li>\n\t\tLoe \u00fclesande tekst m\u00f5ttega l\u00e4bi.\n\t<\/li>\n<li>\n\t\tJooni tekstis alla k\u00f5ik arvud.\n\t<\/li>\n<li>\n\t\tOmista arvule kindel f\u00fc\u00fcsikaline suurus. Seda on lihtne teha n\u00e4iteks \u00fchiku alusel.\n\t<\/li>\n<li>\n\t\tKirjuta v\u00e4lja andmed ning otsitav suurus.\n\t<\/li>\n<li>\n\t\tKirjuta v\u00e4lja valemid ning kui vaja, avalda valemist otsitav suurus.\n\t<\/li>\n<li>\n\t\tAsenda valemitesse arvud ning arvuta.\n\t<\/li>\n<\/ol>\n<p style=\"margin-top:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm\">\n\t<span lang=\"et\"><span style=\"line-height:115%\"><span style=\",serif\">Ole valmis, et m\u00f5nikord tuleb \u00fchikuid teisendada!<\/span><\/span><\/span>\n<\/p>\n<p style=\"margin-top:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm\">\n\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">Teeme koos l\u00e4bi 3 \u00fclesannet.<\/span><\/span><\/span><\/span>\n<\/p>\n<h2>\n\tN\u00e4idis\u00fclesanne 1. Ainehulga arvutamine<br>\n<\/h2>\n<table class=\"table table-hover\" border=\"0\" cellpadding=\"1\" cellspacing=\"1\" style=\"width: 100%\">\n<tbody>\n<tr>\n<td style=\"width: 50%\">\n\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">1. Loe \u00fclesande tekst m\u00f5ttega l\u00e4bi.<\/span><\/span><\/span><\/span>\n\t\t\t<\/td>\n<td>\n\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">Mitu mooli on 60 dm<sup>3 <\/sup>hapnikku (nt.)?<\/span><\/span><\/span><\/span>\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">2. Jooni alla k\u00f5ik arvud, mis on tekstis.<\/span><\/span><\/span><\/span>\n\t\t\t<\/td>\n<td>\n\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">Mitu mooli on <u>60<\/u> dm<sup>3 <\/sup>hapnikku (nt.)?<\/span><\/span><\/span><\/span>\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">3. Omista arvule kindel f\u00fc\u00fcsikaline suurus.<\/span><\/span><\/span><\/span>\n\t\t\t<\/td>\n<td>\n\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">60 dm<sup>3 <\/sup>n\u00e4itab aine ruumala.<\/span><\/span><\/span><\/span>\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">4. Kirjuta v\u00e4lja andmed.<\/span><\/span><\/span><\/span>\n\t\t\t<\/td>\n<td>\n<p style=\"margin-top:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm\">\n\t\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">V = 60 dm<sup>3<\/sup><\/span><\/span><\/span><\/span>\n\t\t\t\t<\/p>\n<p style=\"margin-top:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm\">\n\t\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">Samuti on teada gaasi molaarruumala.<\/span><\/span><\/span><\/span>\n\t\t\t\t<\/p>\n<p style=\"margin-top:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm\">\n\t\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">V<sub>m<\/sub> = 22,4 dm<sup>3<\/sup>\/mol<\/span><\/span><\/span><\/span>\n\t\t\t\t<\/p>\n<p style=\"margin-top:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm\">\n\t\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">Otsitav suurus on moolide arv, j\u00e4relikult <i>n<\/i> = ?<\/span><\/span><\/span><\/span>\n\t\t\t\t<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">5. Kirjuta v\u00e4lja valemid.<\/span><\/span><\/span><\/span>\n\t\t\t<\/td>\n<td>\n<p>\n\t\t\t\t\t$n=\\frac{V}{V_{m}}$\n\t\t\t\t<\/p>\n<p>\n\t\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">Kuna antud juhul tuleb leida ainehulk, siis valemist m\u00f5nda teist suurust avaldama ei pea.<\/span><\/span><\/span><\/span>\n\t\t\t\t<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\t<span style=\"line-height:150%\"><span lang=\"et\"><span style=\"line-height:150%\"><span style=\",serif\">6. Asenda arvud ja arvuta.<\/span><\/span><\/span><\/span>\n\t\t\t<\/td>\n<td>\n\t\t\t\t$n=\\frac{V}{V_{m}}=\\frac{60 dm^{3}}{22,4 dm^{3}\/mol}\\approx 2,7 mol$\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin-top:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm\">\n\t<\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69dc02e40de94-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dc02e40de94-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69dc02e40de94-collapse\">\u00dclesanne 2<\/button>\n        <\/h2>\n        <div id=\"accordion-69dc02e40de94-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69dc02e40de94-heading\">\n            <div class=\"accordion-body\">\n\n<p style=\"margin-top:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm\">\n\tArvuta ainehulk.\n<\/p>\n<p style=\"margin-top:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm\">\n\n\n<\/p><div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n<p><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69dc02e40de9c-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dc02e40de9c-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69dc02e40de9c-collapse\">\u00dclesande 2 lahendused<\/button>\n        <\/h2>\n        <div id=\"accordion-69dc02e40de9c-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69dc02e40de9c-heading\">\n            <div class=\"accordion-body\">\n<p>2.1. Mitu mooli on 2,8 dm<sup>3<\/sup> l\u00e4mmastikku (nt.)? 0.125 mol<\/p>\n<p style=\"margin-left: 40px;\"><b>Lahendus: <\/b>2,8 dm<sup>3<\/sup> n\u00e4itab aine ruumala <i>V<\/i>.<\/p>\n<p style=\"margin-left: 40px;\">Samuti on teada gaasi molaarruumala <i>V<sub>m<\/sub><\/i> = 22,4 dm<sup>3<\/sup>\/mol.<\/p>\n<p style=\"margin-left: 40px;\">Otsitav suurus on moolide arv <i>n<\/i> = ?<\/p>\n<p style=\"margin-left: 80px;\"><span class=\"math-tex\">$n = {V \\over V_M}={2.8 dm^3 \\over 22.4 dm^3\/mol}=0.125 mol$<\/span><\/p>\n<p>2.2. Mitu millimooli on 7 l s\u00fcsinikoksiidi (nt.)? 312.5 mmol<\/p>\n<p style=\"margin-left: 40px;\"><b>Lahendus: <\/b>7 l n\u00e4itab aine ruumala <i>V<\/i>. Selle saab teisendada kuupdetsimeetriteks.<\/p>\n<p style=\"margin-left: 80px;\">V = 7 l = 7 dm<sup>3<\/sup><\/p>\n<p style=\"margin-left: 40px;\">Samuti on teada gaasi molaarruumala <i>V<sub>m<\/sub><\/i> = 22,4 dm<sup>3<\/sup>\/mol.<\/p>\n<p style=\"margin-left: 40px;\">Otsitav suurus on moolide arv <i>n<\/i>, kusjuures vastus tuleb teisendada millimoolideks.<\/p>\n<p style=\"margin-left: 80px;\"><span class=\"math-tex\">$n = {V \\over V_M}={7dm^3 \\over 22.4 dm^3\/mol}=0.3125 mol=312.5mmol$<\/span><\/p>\n<p>2.3. Mitu kilomooli on 336 dm<sup>3<\/sup> s\u00fcsinikdioksiidi (nt.)? 0.015 kmol<\/p>\n<p style=\"margin-left: 40px;\"><b>Lahendus: <\/b>336 dm<sup>3<\/sup> n\u00e4itab aine ruumala <i>V<\/i>.<\/p>\n<p style=\"margin-left: 40px;\">Samuti on teada gaasi molaarruumala <i>V<sub>m<\/sub><\/i> = 22,4 dm<sup>3<\/sup>\/mol.<\/p>\n<p style=\"margin-left: 40px;\">Otsitav suurus on moolide arv <i>n<\/i>, kusjuures vastus tuleb teisendada kilomoolideks.<\/p>\n<p style=\"margin-left: 80px;\"><span class=\"math-tex\">$n = {V \\over V_M}={336dm^3 \\over 22.4 dm^3\/mol}=15 mol=0.015kmol$<\/span><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>\n<h2>N\u00e4idis\u00fclesanne 2.\u00a0Aine ruumala arvutamine<\/h2>\n<table class=\"table table-hover\" style=\"width: 100%;\" border=\"0\" cellspacing=\"1\" cellpadding=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">1. Loe \u00fclesande tekst m\u00f5ttega l\u00e4bi.<\/span><\/span><\/span><\/td>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Arvuta 8 mol s\u00fcsihappegaasi ruumala (nt).<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">2. Jooni alla k\u00f5ik arvud, mis on tekstis.<\/span><\/span><\/span><\/td>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Arvuta <u>8<\/u> mol s\u00fcsihappegaasi ruumala (nt).<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">3. Omista arvule kindel f\u00fc\u00fcsikaline suurus.<\/span><\/span><\/span><\/td>\n<td>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">8 mol n\u00e4itab ainehulka.<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">4. Kirjuta v\u00e4lja andmed.<\/span><\/span><\/span><\/td>\n<td>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><i><span lang=\"et\"><span style=\"line-height: 150%;\">n<\/span><\/span><\/i><span lang=\"et\"><span style=\"line-height: 150%;\"> = 8 mol<\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Samuti on teada gaasi molaarruumala.<\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">V<sub>m<\/sub> = 22,4 dm<sup>3<\/sup>\/mol<\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Otsitav suurus on ruumala: <i>V<\/i> = ?<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">\u00a05. Kirjuta v\u00e4lja valemid.<\/span><\/span><\/span><\/td>\n<td>\n<p>$n=\\frac{V}{V_{m}}$<\/p>\n<p><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Kuna vaja on ruumala, siis see avaldub: <i>V<\/i> = <i>n<\/i>\u00a0 <\/span><span style=\"background: white;\"><span style=\"line-height: 150%;\">$\\times $<\/span><\/span><span style=\"line-height: 150%;\"> V<sub>m<\/sub><\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">6. Asenda arvud ja arvuta.<\/span><\/span><\/span><\/td>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">V = 8 mol\u00a0 <\/span><span style=\"background: white;\"><span style=\"line-height: 150%;\">$\\times $<\/span><\/span><span style=\"line-height: 150%;\"> 22,4 dm<sup>3<\/sup>\/mol = 179,2 dm<sup>3<\/sup><\/span><\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69dc02e40de9f-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dc02e40de9f-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69dc02e40de9f-collapse\">\u00dclesanne 3<\/button>\n        <\/h2>\n        <div id=\"accordion-69dc02e40de9f-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69dc02e40de9f-heading\">\n            <div class=\"accordion-body\">Arvuta ruumala.\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\">\n\n\n<\/p><div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n<p><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69dc02e40dea6-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dc02e40dea6-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69dc02e40dea6-collapse\">\u00dclesande 3 lahendused<\/button>\n        <\/h2>\n        <div id=\"accordion-69dc02e40dea6-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69dc02e40dea6-heading\">\n            <div class=\"accordion-body\">\n<p>3.1. Kui suur ruumala (dm<sup>3<\/sup>-tes) on 3,4 mol vesinikul (nt.)? 76,16 dm<sup>3<\/sup><\/p>\n<p style=\"margin-left: 40px;\"><b>Lahendus<\/b>: 3,4 mol n\u00e4itab ainehulka <i>n<\/i>. Samuti on teada gaasi molaarruumala <i>V<sub>m<\/sub><\/i> = 22,4 dm<sup>3<\/sup>\/mol.<\/p>\n<p style=\"margin-left: 40px;\">Otsitav suurus on ruumala <i>V<\/i>.<i><\/i><\/p>\n<p style=\"margin-left: 80px;\"><i><span lang=\"ET\">V\u00a0=\u00a0n\u00a0\u00d7\u00a0<\/span><\/i><i><span lang=\"ET\">V<\/span><\/i><sub><i><span lang=\"ET\"><sub>m\u00a0<\/sub><\/span><\/i><\/sub><i><span lang=\"ET\">=\u00a0<\/span><\/i><span lang=\"ET\">3,4 mol \u00d7 22,4\u00a0<\/span><span lang=\"ET\">dm<\/span><sup><span lang=\"ET\">3<\/span><\/sup><span lang=\"ET\">\/<\/span><span lang=\"ET\">mol =\u00a0<\/span><span lang=\"ET\">76,16 <\/span><span lang=\"ET\">dm<\/span><sup><span lang=\"ET\">3<\/span><\/sup><\/p>\n<p>3.2. Mitu kuupmeetrit on 350 mol hapniku ruumala (nt.)? 7,84 m<sup>3<\/sup><\/p>\n<p style=\"margin-left: 40px;\"><b>Lahendus<\/b>: 350 mol n\u00e4itab ainehulka <i>n<\/i>. Samuti on teada gaasi molaarruumala <i>V<sub>m<\/sub><\/i> = 22,4 dm<sup>3<\/sup>\/mol.<\/p>\n<p style=\"margin-left: 40px;\">Otsitav suurus on ruumala <i>V<\/i>, kusjuures vastus tuleb teisendada kuupmeetritesse.<i><\/i><\/p>\n<p style=\"margin-left: 80px;\"><i><span lang=\"ET\">V\u00a0=\u00a0n\u00a0\u00d7\u00a0<\/span><\/i><i><span lang=\"ET\">V<\/span><\/i><i><span lang=\"ET\"><sub>m<\/sub>\u00a0<\/span><\/i><i><span lang=\"ET\">=\u00a0<\/span><\/i><span lang=\"ET\">350 mol \u00d7 22,4\u00a0<\/span><span lang=\"ET\">dm<\/span><sup><span lang=\"ET\">3<\/span><\/sup><span lang=\"ET\">\/ mol =\u00a0<\/span><span lang=\"ET\">7840 <\/span><span lang=\"ET\">dm<\/span><sup><span lang=\"ET\">3\u00a0<\/span><\/sup><span lang=\"ET\">= 7,84 <\/span><span lang=\"ET\">m<\/span><sup><span lang=\"ET\"><sup>3<\/sup><\/span><\/sup><\/p>\n<p>3.3. Kui suur ruumala cm<sup>3<\/sup>-tes on 15 mmol l\u00e4mmastikul (nt.)? 336 cm<sup>3<\/sup><\/p>\n<p style=\"margin-left: 40px;\"><b>Lahendus<\/b>: 15 mmol n\u00e4itab ainehulka <i>n<\/i>. Samuti on teada gaasi molaarruumala <i>V<sub>m<\/sub><\/i> = 22,4 dm<sup>3<\/sup>\/mol. Kuna 1 dm<sup>3<\/sup> on 1000 cm<sup>3<\/sup> ja 1 mol on 1000 mmol, saame seda esitada ka kujul 22,4 cm<sup>3<\/sup>\/mmol.<\/p>\n<p style=\"margin-left: 40px;\">Otsitav suurus on ruumala <i>V<\/i>, kusjuures vastus tuleb teisendada kuupsentimeetritesse.<\/p>\n<p style=\"margin-left: 80px;\"><i><span lang=\"ET\"><span style=\"line-height: 150%;\">V\u00a0=\u00a0n\u00a0\u00d7<\/span><\/span><\/i> <i><span lang=\"ET\"><span style=\"line-height: 150%;\">V<sub>m<\/sub><\/span><\/span><\/i> <i><span lang=\"ET\"><span style=\"line-height: 150%;\">= <\/span><\/span><\/i><span lang=\"ET\"><span style=\"line-height: 150%;\">15 mmol \u00d7 22,4<\/span><\/span> <span lang=\"ET\"><span style=\"line-height: 150%;\">cm<\/span><\/span><sup><span lang=\"ET\"><span style=\"line-height: 150%;\">3<\/span><\/span><\/sup>\/\u00a0<span lang=\"ET\"><span style=\"line-height: 150%;\">mmol =<\/span><\/span> <span lang=\"ET\"><span style=\"line-height: 150%;\">336\u00a0cm<\/span><\/span><sup><span lang=\"ET\"><span style=\"line-height: 150%;\">3<\/span><\/span><\/sup><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>\n<h2>N\u00e4idis\u00fclesanne 3. Aine ruumala arvutamine aine massi kaudu<\/h2>\n<table class=\"table table-hover\" style=\"width: 100%;\" border=\"0\" cellspacing=\"1\" cellpadding=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">1. Loe \u00fclesande tekst m\u00f5ttega l\u00e4bi.<\/span><\/span><\/span><\/td>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Kui suur on\u00a0 23 grammi vesiniku ruumala (nt)?<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">2. Jooni alla k\u00f5ik arvud, mis on tekstis.<\/span><\/span><\/span><\/td>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Kui suur on\u00a0 <u>23<\/u> grammi vesiniku\u00a0ruumala (nt)?<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">3. Omista arvule kindel f\u00fc\u00fcsikaline suurus.<\/span><\/span><\/span><\/td>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">23 g on aine mass.<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">4. Kirjuta v\u00e4lja andmed.<\/span><\/span><\/span><\/td>\n<td>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><i><span lang=\"et\"><span style=\"line-height: 150%;\">m<\/span><\/span><\/i><span lang=\"et\"><span style=\"line-height: 150%;\"> = 23 g<\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Samuti on teada gaasi molaarruumala.<\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">V<sub>m<\/sub> = 22,4 dm<sup>3<\/sup>\/mol<\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Otsitav suurus on ruumala, j\u00e4relikult <i>V<\/i> = ?<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">\u00a05. Kirjuta v\u00e4lja valemid.<\/span><\/span><\/span><\/td>\n<td>\n<p>$n=\\frac{V}{V_{m}}$<\/p>\n<p><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Kuna otsitav suurus on ruumala, siis see avaldub: <i>V<\/i> = <i>n<\/i>\u00a0 <\/span><span style=\"background: white;\"><span style=\"line-height: 150%;\">$\\times $<\/span><\/span><span style=\"line-height: 150%;\"> V<sub>m<\/sub><\/span><\/span><\/span><\/p>\n<p><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Ruumala arvutamise valemis on ainehulk, mille saad omakorda arvutada valemist:\u00a0<\/span><\/span><\/span>$n=\\frac{m}{M}$<\/p>\n<p><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Aine molaarmassi saad arvutada aatommasside kaudu, v\u00f5ttes appi perioodilisuse tabeli.<\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">6. Asenda arvud ja arvuta.<\/span><\/span><\/span><\/td>\n<td>\n<p><span style=\"line-height: 150%;\"><i><span lang=\"et\"><span style=\"line-height: 150%;\">M<\/span><\/span><\/i><span lang=\"et\"><span style=\"line-height: 150%;\">(H<sub>2<\/sub>)=2 g\/mol<\/span><\/span><\/span><\/p>\n<p>$n=\\frac{m}{M} = \\frac{23 g}{2 \\frac{g}{mol}}=11,5 mol$<\/p>\n<p><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">V = <i>n<\/i>\u00a0 <\/span><span style=\"background: white;\"><span style=\"line-height: 150%;\">$\\times $<\/span><\/span><span style=\"line-height: 150%;\"> V<sub>m<\/sub>= 11,5 mol <\/span><span style=\"background: white;\"><span style=\"line-height: 150%;\">$\\times $ 22,4 <\/span><\/span><\/span><span lang=\"et\"><span style=\"line-height: 150%;\">dm<sup>3<\/sup>\/mol=257,6 dm<sup>3<\/sup><\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Kontrolliks v\u00f5id \u00fclesande l\u00e4bi teha ka \u00fchikutega. <\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Ainehulga pead saama moolides:<\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><img loading=\"lazy\" decoding=\"async\" width=\"444\" height=\"120\" class=\"alignnone wp-image-87\" style=\"width: 167px; height: 45px;\" title=\"screenshot_2022-02-07_at_17.03.46.png\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/524\/screenshot_2022-02-07_at_17.03.46.png\" alt=\"pilt\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/524\/screenshot_2022-02-07_at_17.03.46.png 444w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/524\/screenshot_2022-02-07_at_17.03.46-300x81.png 300w\" sizes=\"auto, (max-width: 444px) 100vw, 444px\"><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><span style=\"line-height: 150%;\"><span lang=\"et\"><span style=\"line-height: 150%;\">Ruumala pead saama ruumala\u00fchikutes (cm<sup>3<\/sup>, dm<sup>3<\/sup>, m<sup>3<\/sup>):<\/span><\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"120\" class=\"alignnone wp-image-88\" style=\"width: 226px; height: 45px;\" title=\"screenshot_2022-02-07_at_17.03.56.png\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/524\/screenshot_2022-02-07_at_17.03.56.png\" alt=\"pilt\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/524\/screenshot_2022-02-07_at_17.03.56.png 602w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/524\/screenshot_2022-02-07_at_17.03.56-300x60.png 300w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\"><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69dc02e40deac-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dc02e40deac-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69dc02e40deac-collapse\">\u00dclesanne 4<\/button>\n        <\/h2>\n        <div id=\"accordion-69dc02e40deac-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69dc02e40deac-heading\">\n            <div class=\"accordion-body\">Aine ruumala ja massi arvutamine.\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\">\u00a0<\/p>\n\n\n<div class=\"h5p-iframe-wrapper\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--fixed\" style=\"height: 366px;\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n<address>Vihjed:<\/address>\n<address>S\u00fcsinikdioksiidi ja s\u00fcsinikoksiidi\u00a0ruumala saad arvutada sama skeemi alusel. Aine massist arvuta ainehulk:\u00a0$n=\\frac{m}{M}$. Edasi saad leida gaasi ruumala: V = n$\\times $Vm. Seej\u00e4rel v\u00f5rdle, kumma aine ruumala tuli suurem.<\/address>\n<address>Gaasi ruumala kaudu arvuta aine moolide arv $n=\\frac{V}{V_{m}}$.<\/address>\n<address>Seej\u00e4rel arvuta aine mass, m = n$\\times $M.\u00a0J\u00e4lgi \u00fchikuid!<\/address>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69dc02e40deb7-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dc02e40deb7-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69dc02e40deb7-collapse\">\u00dclesande 4 lahendused<\/button>\n        <\/h2>\n        <div id=\"accordion-69dc02e40deb7-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69dc02e40deb7-heading\">\n            <div class=\"accordion-body\">\n<p>4.1 Kumma gaasi ruumala on (nt.) suurem, kas 44 g s\u00fcsinikdioksiidi v\u00f5i 35 g s\u00fcsinikoksiidi? S\u00fcsinikoksiid<\/p>\n<p style=\"margin-left: 40px;\"><b>Lahendus<\/b>: Leiame kummagi gaasi ainehulgad <i>n<\/i>. Selleks tuleb esmalt arvutada nende molaarmassid.<\/p>\n<p style=\"margin-left: 80px;\">M(CO<sub>2<\/sub>) = 12 + 2\u00d716 = 44 g\/mol<\/p>\n<p style=\"margin-left: 80px;\">M(CO) = 12 + 16 = 28 g\/mol<\/p>\n<p style=\"margin-left: 80px;\"><span class=\"math-tex\">$n(CO_2) ={m \\over M}= {44g \\over 44 g\/mol}=1mol$<\/span><\/p>\n<p style=\"margin-left: 80px;\"><span class=\"math-tex\">$n(CO) ={m \\over M}= {35g \\over 28 g\/mol}=1.25mol$<\/span><\/p>\n<p style=\"margin-left: 40px;\">Ainehulkade kaudu saame leida ruumalad, sest teada on <i>V<sub>m<\/sub><\/i> = 22,4 dm<sup>3<\/sup>\/mol.<i><\/i><\/p>\n<p style=\"margin-left: 80px;\"><i><span lang=\"ET\">V(<\/span><\/i><i><span lang=\"ET\">CO<\/span><\/i><i><span lang=\"ET\"><sub>2<\/sub>)\u00a0<\/span><\/i><i><span lang=\"ET\">=\u00a0n\u00a0\u00d7\u00a0<\/span><\/i><i><span lang=\"ET\">V<\/span><\/i><i><span lang=\"ET\"><sub>m<\/sub>\u00a0<\/span><\/i><i><span lang=\"ET\">=\u00a0<\/span><\/i><span lang=\"ET\">1 mol \u00d7\u00a0<\/span><span lang=\"ET\">22,4<\/span><span lang=\"ET\"> dm<\/span><span lang=\"ET\"><sup>3<\/sup>\/<\/span><span lang=\"ET\">mol\u00a0<\/span><span lang=\"ET\">= 22,4<\/span><span lang=\"ET\"> dm<\/span><sup><span lang=\"ET\"><sup>3<\/sup><\/span><\/sup><i><\/i><\/p>\n<p style=\"margin-left: 80px;\"><i><span lang=\"ET\">V(<\/span><\/i><i><span lang=\"ET\">CO)\u00a0<\/span><\/i><i><span lang=\"ET\">=\u00a0n\u00a0\u00d7\u00a0<\/span><\/i><i><span lang=\"ET\">V<\/span><\/i><i><span lang=\"ET\"><sub>m<\/sub>\u00a0<\/span><\/i><i><span lang=\"ET\">=\u00a0<\/span><\/i><span lang=\"ET\">1,25 mol \u00d7\u00a0<\/span><span lang=\"ET\">22,4<\/span><span lang=\"ET\"> dm<\/span><span lang=\"ET\"><sup>3<\/sup>\/<\/span><span lang=\"ET\">mol\u00a0<\/span><span lang=\"ET\">= 28<\/span><span lang=\"ET\"> dm<\/span><sup><span lang=\"ET\"><sup>3<\/sup><\/span><\/sup><\/p>\n<p>4.2. Kui suur mass on 5,6 dm<sup>3<\/sup> v\u00e4\u00e4veldioksiidil (nt.)? 16 g<\/p>\n<p style=\"margin-left: 40px;\"><b>Lahendus:<\/b> Leiame ainehulga <i>n<\/i>.<\/p>\n<p style=\"margin-left: 80px;\"><span class=\"math-tex\">$n ={V \\over V_M}= {5.6dm^3 \\over 22.4 dm^3\/mol}=0.25mol$<\/span><\/p>\n<p style=\"margin-left: 40px;\">Leiame v\u00e4\u00e4veldioksiidi molaarmassi:<\/p>\n<p style=\"margin-left: 80px;\">M(SO<sub>2<\/sub>) = 32 + 2\u00d716 = 64 g\/mol<\/p>\n<p style=\"margin-left: 40px;\">Sellest saab arvutada v\u00e4\u00e4veldioksiidi massi.<i><\/i><\/p>\n<p style=\"margin-left: 80px;\"><i><span lang=\"ET\">m\u00a0=\u00a0n\u00a0\u00d7\u00a0M\u00a0=\u00a0<\/span><\/i><span lang=\"ET\">0,25 mol \u00d7 64\u00a0<\/span><span lang=\"ET\">g\/<\/span><span lang=\"ET\">mol\u00a0<\/span><span lang=\"ET\">= 16 g<\/span><\/p>\n<p>4.3. Mitu kilogrammi on 84 m<sup>3<\/sup> s\u00fcsinikdioksiidi mass (nt.)? 165 kg<\/p>\n<p style=\"margin-left: 40px;\">84 m<sup>3<\/sup> n\u00e4itab aine massi <i>m<\/i>. Samuti on teada gaasi molaarruumala <i>V<sub>m<\/sub><\/i> = 22,4 dm<sup>3<\/sup>\/mol. Kuna 1 dm<sup>3<\/sup> on 0,001 m<sup>3<\/sup> ja 1 mol on 0,001 kmol, saame seda esitada ka kujul 22,4 m<sup>3<\/sup>\/kmol. Leiame ainehulga <i>n<\/i>.<\/p>\n<p style=\"margin-left: 80px;\"><span class=\"math-tex\">$n ={V \\over V_M}= {85m^3 \\over 22.4 m^3\/kmol}=3.75kmol$<\/span><\/p>\n<p style=\"margin-left: 40px;\">Leiame s\u00fcsinikdioksiidi molaarmassi:<\/p>\n<p style=\"margin-left: 80px;\">M(CO<sub>2<\/sub>) = 12 + 2\u00d716 = 44 g\/mol = 44 kg\/kmol<\/p>\n<p style=\"margin-left: 40px;\">Sellest saab arvutada s\u00fcsinikdioksiidi massi.<i><\/i><\/p>\n<p style=\"margin-left: 80px;\"><i><span lang=\"ET\">m\u00a0=\u00a0n\u00a0\u00d7\u00a0M =\u00a0<\/span><\/i><span lang=\"ET\">3,75 kmol \u00d7 44\u00a0<\/span><span lang=\"ET\">kg\/<\/span><span lang=\"ET\">kmol\u00a0<\/span><span lang=\"ET\">= 165 kg<\/span><\/p>\n<p style=\"margin-left: 40px;\">PS: \u00dclesande arvutused v\u00f5ib teha ka nii, et arvutused teed \u00fchikutega dm<sup>3<\/sup>, mol ja dm<sup>3<\/sup>\/mol ning teisendad alles viimases arvutuses massi kg-ks. L\u00f5ppvastus peab tulema sama olenemata sellest, mis \u00fchikutes arvutad.<\/p>\n<p>4.4. Balloonis on normaaltingimustel 200 liitrit hapnikku. Leia balloonis oleva hapniku mass. 286 g<\/p>\n<p style=\"margin-left: 40px;\"><b>Lahendus:<\/b> Teada on hapniku ruumala <i>V<\/i>.<\/p>\n<p style=\"margin-left: 80px;\"><i>V<\/i> = 200 l = 200 dm<sup>3<\/sup><\/p>\n<p style=\"margin-left: 40px;\">Leiame ainehulga <i>n<\/i>.<\/p>\n<p style=\"margin-left: 80px;\"><span class=\"math-tex\">$n ={V \\over V_M}= {200dm^3 \\over 22.4dm^3\/mol}=8.93mol$<\/span><\/p>\n<p style=\"margin-left: 40px;\">Leiame hapniku molaarmassi:<\/p>\n<p style=\"margin-left: 80px;\">M(O<sub>2<\/sub>) = 2\u00d716 = 32 g\/mol<\/p>\n<p style=\"margin-left: 40px;\">Ja arvutame hapniku massi:<\/p>\n<p style=\"margin-left: 80px;\"><i><span lang=\"ET\"><span style=\"line-height: 150%;\">m\u00a0=\u00a0n\u00a0\u00d7\u00a0M\u00a0=\u00a0<\/span><\/span><\/i><span lang=\"ET\"><span style=\"line-height: 150%;\">8,93 mol \u00d7 32<\/span><\/span> <span lang=\"ET\"><span style=\"line-height: 150%;\">g<\/span><\/span>\/<span lang=\"ET\"><span style=\"line-height: 150%;\">mol<\/span><\/span> <span lang=\"ET\"><span style=\"line-height: 150%;\">\u2248 286 g<\/span><\/span><\/p>\n<p style=\"margin: 12.0pt 0cm 12.0pt 0cm;\"><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>Vedelike v\u00f5i tahkete ainete massi on mugav m\u00f5\u00f5ta kaalumise teel. Gaasiliste ainete massi leidmine on aga k\u00fcllaltki keeruline protseduur. Palju lihtsam on m\u00f5\u00f5ta gaasiliste ainete ruumala ehk mahtu. Gaasilise aine hulga ja ruumala seob omavahel molaarruumala. Molaarruumala on \u00fche mooli &#8230;<\/p>\n","protected":false},"author":269,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-8","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/huvitavkeemia\/wp-json\/wp\/v2\/pages\/8","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/huvitavkeemia\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/huvitavkeemia\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/huvitavkeemia\/wp-json\/wp\/v2\/users\/269"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/huvitavkeemia\/wp-json\/wp\/v2\/comments?post=8"}],"version-history":[{"count":14,"href":"https:\/\/sisu.ut.ee\/huvitavkeemia\/wp-json\/wp\/v2\/pages\/8\/revisions"}],"predecessor-version":[{"id":1031,"href":"https:\/\/sisu.ut.ee\/huvitavkeemia\/wp-json\/wp\/v2\/pages\/8\/revisions\/1031"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/huvitavkeemia\/wp-json\/wp\/v2\/media?parent=8"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}