{"id":567275,"date":"2026-07-23T09:37:26","date_gmt":"2026-07-23T02:37:26","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=567275"},"modified":"2026-07-23T09:37:26","modified_gmt":"2026-07-23T02:37:26","slug":"nong-do-mol-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/nong-do-mol-la-gi\/","title":{"rendered":"N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec? C\u00f4ng th\u1ee9c CM = n\/V v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng"},"content":{"rendered":"<p style=\"text-align: justify;\">N\u1ed3ng \u0111\u1ed9 mol c\u1ee7a m\u1ed9t dung d\u1ecbch cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan c\u00f3 trong 1 l\u00edt dung d\u1ecbch, \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c CM = n\/V. Trong \u0111\u00f3 n l\u00e0 s\u1ed1 mol ch\u1ea5t tan v\u00e0 V l\u00e0 th\u1ec3 t\u00edch dung d\u1ecbch t\u00ednh b\u1eb1ng l\u00edt. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng c\u1ee7a H\u00f3a h\u1ecdc l\u1edbp 8\u20139, xu\u1ea5t hi\u1ec7n trong h\u1ea7u h\u1ebft b\u00e0i to\u00e1n v\u1ec1 dung d\u1ecbch v\u00e0 ph\u1ea3n \u1ee9ng. N\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y gi\u00fap b\u1ea1n hi\u1ec3u <b>n\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec<\/b>, n\u1eafm ch\u1eafc c\u00f4ng th\u1ee9c, \u0111\u01a1n v\u1ecb, c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m v\u00e0 luy\u1ec7n t\u1eadp qua c\u00e1c v\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i t\u1eebng b\u01b0\u1edbc.<\/p>\n<h2 style=\"text-align: justify;\"><b>N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec?<\/b><\/h2>\n<p style=\"text-align: justify;\">N\u1ed3ng \u0111\u1ed9 mol (k\u00fd hi\u1ec7u CM) c\u1ee7a dung d\u1ecbch l\u00e0 \u0111\u1ea1i l\u01b0\u1ee3ng cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan c\u00f3 trong m\u1ed9t l\u00edt dung d\u1ecbch. N\u1ed3ng \u0111\u1ed9 mol c\u00e0ng l\u1edbn th\u00ec trong c\u00f9ng m\u1ed9t th\u1ec3 t\u00edch, s\u1ed1 mol ch\u1ea5t tan c\u00e0ng nhi\u1ec1u, t\u1ee9c dung d\u1ecbch c\u00e0ng \u0111\u1eadm \u0111\u1eb7c v\u1ec1 m\u1eb7t s\u1ed1 mol. \u0110\u00e2y l\u00e0 c\u00e1ch bi\u1ec3u th\u1ecb n\u1ed3ng \u0111\u1ed9 \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong h\u00f3a h\u1ecdc v\u00ec n\u00f3 li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi s\u1ed1 mol \u2013 \u0111\u1ea1i l\u01b0\u1ee3ng d\u00f9ng \u0111\u1ec3 c\u00e2n b\u1eb1ng v\u00e0 t\u00ednh to\u00e1n ph\u1ea3n \u1ee9ng. V\u00ed d\u1ee5, dung d\u1ecbch NaOH 1M ngh\u0129a l\u00e0 m\u1ed7i l\u00edt dung d\u1ecbch ch\u1ee9a \u0111\u00fang 1 mol NaOH.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-569359\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-3.jpg\" alt=\"nong-do-mol-la-gi-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 mol<\/b><\/h2>\n<p style=\"text-align: justify;\">N\u1ed3ng \u0111\u1ed9 mol \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n: <b>CM = n \/ V<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li>CM: n\u1ed3ng \u0111\u1ed9 mol (\u0111\u01a1n v\u1ecb mol\/l\u00edt, k\u00fd hi\u1ec7u M).<\/li>\n<li>n: s\u1ed1 mol ch\u1ea5t tan (mol).<\/li>\n<li>V: th\u1ec3 t\u00edch dung d\u1ecbch (l\u00edt).<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">T\u1eeb c\u00f4ng th\u1ee9c g\u1ed1c n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i \u0111\u1ec3 t\u00ecm hai \u0111\u1ea1i l\u01b0\u1ee3ng c\u00f2n l\u1ea1i: s\u1ed1 mol ch\u1ea5t tan n = CM \u00d7 V, v\u00e0 th\u1ec3 t\u00edch dung d\u1ecbch V = n \/ CM. Khi \u0111\u1ec1 b\u00e0i cho kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan thay v\u00ec s\u1ed1 mol, h\u00e3y t\u00ednh s\u1ed1 mol qua c\u00f4ng th\u1ee9c n = m \/ M (m l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan, M l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng mol). Ba c\u00f4ng th\u1ee9c n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng n\u1ed1i ti\u1ebfp nhau trong m\u1ed9t b\u00e0i to\u00e1n.<\/p>\n<h2 style=\"text-align: justify;\"><b>B\u1ea3ng c\u00e1c c\u00f4ng th\u1ee9c li\u00ean quan \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 mol<\/b><\/h2>\n<p style=\"text-align: justify;\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u1ed5ng h\u1ee3p nh\u1eefng c\u00f4ng th\u1ee9c b\u1ea1n th\u01b0\u1eddng ph\u1ea3i d\u00f9ng k\u00e8m khi gi\u1ea3i b\u00e0i to\u00e1n v\u1ec1 n\u1ed3ng \u0111\u1ed9 mol.<\/p>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th>\u0110\u1ea1i l\u01b0\u1ee3ng c\u1ea7n t\u00ecm<\/th>\n<th>C\u00f4ng th\u1ee9c<\/th>\n<th>\u0110\u01a1n v\u1ecb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N\u1ed3ng \u0111\u1ed9 mol (CM)<\/td>\n<td>CM = n \/ V<\/td>\n<td>mol\/l\u00edt (M)<\/td>\n<\/tr>\n<tr>\n<td>S\u1ed1 mol ch\u1ea5t tan (n)<\/td>\n<td>n = CM \u00d7 V<\/td>\n<td>mol<\/td>\n<\/tr>\n<tr>\n<td>Th\u1ec3 t\u00edch dung d\u1ecbch (V)<\/td>\n<td>V = n \/ CM<\/td>\n<td>l\u00edt<\/td>\n<\/tr>\n<tr>\n<td>S\u1ed1 mol t\u1eeb kh\u1ed1i l\u01b0\u1ee3ng (n)<\/td>\n<td>n = m \/ M<\/td>\n<td>mol<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan (m)<\/td>\n<td>m = n \u00d7 M<\/td>\n<td>gam<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed5i C% sang CM<\/td>\n<td>CM = (10 \u00d7 D \u00d7 C%) \/ M<\/td>\n<td>mol\/l\u00edt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">Trong \u0111\u00f3 D l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a dung d\u1ecbch (g\/ml) v\u00e0 M l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng mol c\u1ee7a ch\u1ea5t tan (g\/mol).<\/p>\n<h2 style=\"text-align: justify;\"><b>L\u01b0u \u00fd quan tr\u1ecdng khi t\u00ednh n\u1ed3ng \u0111\u1ed9 mol<\/b><\/h2>\n<p style=\"text-align: justify;\">N\u1eafm v\u1eefng v\u00e0i \u0111i\u1ec3m sau s\u1ebd gi\u00fap b\u1ea1n tr\u00e1nh sai s\u1ed1 khi t\u00ednh n\u1ed3ng \u0111\u1ed9 mol. Tr\u01b0\u1edbc h\u1ebft, c\u1ea7n \u0111\u1ed5i th\u1ec3 t\u00edch dung d\u1ecbch v\u1ec1 \u0111\u01a1n v\u1ecb l\u00edt (L) tr\u01b0\u1edbc khi thay v\u00e0o c\u00f4ng th\u1ee9c. V\u00ed d\u1ee5: 500 ml = 0,5 l\u00edt; 250 ml = 0,25 l\u00edt. N\u1ebfu \u0111\u1ec3 nguy\u00ean \u0111\u01a1n v\u1ecb ml, k\u1ebft qu\u1ea3 s\u1ebd sai l\u1ec7ch h\u00e0ng ngh\u00ecn l\u1ea7n.<\/p>\n<p style=\"text-align: justify;\">K\u1ebf \u0111\u1ebfn, V trong c\u00f4ng th\u1ee9c l\u00e0 th\u1ec3 t\u00edch c\u1ee7a to\u00e0n b\u1ed9 dung d\u1ecbch (g\u1ed3m c\u1ea3 ch\u1ea5t tan v\u00e0 dung m\u00f4i), kh\u00f4ng ph\u1ea3i th\u1ec3 t\u00edch ri\u00eang c\u1ee7a dung m\u00f4i. Cu\u1ed1i c\u00f9ng, khi \u0111\u1ec1 cho kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan, \u0111\u1eebng qu\u00ean b\u01b0\u1edbc trung gian n = m \/ M \u0111\u1ec3 \u0111\u01b0a v\u1ec1 s\u1ed1 mol tr\u01b0\u1edbc khi t\u00ednh CM.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-569357\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-1.jpg\" alt=\"nong-do-mol-la-gi-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>Ph\u00e2n bi\u1ec7t n\u1ed3ng \u0111\u1ed9 mol v\u00e0 n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m<\/b><\/h2>\n<p style=\"text-align: justify;\">N\u1ed3ng \u0111\u1ed9 mol (CM) v\u00e0 n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (C%) \u0111\u1ec1u bi\u1ec3u th\u1ecb \u0111\u1ed9 \u0111\u1eadm \u0111\u1eb7c c\u1ee7a dung d\u1ecbch nh\u01b0ng d\u1ef1a tr\u00ean hai c\u00e1ch \u0111o kh\u00e1c nhau. N\u1ed3ng \u0111\u1ed9 mol cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan trong 1 l\u00edt dung d\u1ecbch, c\u00f2n n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m cho bi\u1ebft s\u1ed1 gam ch\u1ea5t tan trong 100 gam dung d\u1ecbch.<\/p>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th>Ti\u00eau ch\u00ed<\/th>\n<th>N\u1ed3ng \u0111\u1ed9 mol (CM)<\/th>\n<th>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (C%)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u00dd ngh\u0129a<\/td>\n<td>S\u1ed1 mol ch\u1ea5t tan trong 1 l\u00edt dung d\u1ecbch<\/td>\n<td>S\u1ed1 gam ch\u1ea5t tan trong 100 gam dung d\u1ecbch<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng th\u1ee9c<\/td>\n<td>CM = n \/ V<\/td>\n<td>C% = (m<sub>ct<\/sub> \/ m<sub>dd<\/sub>) \u00d7 100<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u01a1n v\u1ecb<\/td>\n<td>mol\/l\u00edt (M)<\/td>\n<td>%<\/td>\n<\/tr>\n<tr>\n<td>C\u01a1 s\u1edf \u0111o<\/td>\n<td>Th\u1ec3 t\u00edch dung d\u1ecbch<\/td>\n<td>Kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\">N\u1ebfu bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang D c\u1ee7a dung d\u1ecbch, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i qua l\u1ea1i gi\u1eefa hai lo\u1ea1i n\u1ed3ng \u0111\u1ed9 b\u1eb1ng c\u00f4ng th\u1ee9c CM = (10 \u00d7 D \u00d7 C%) \/ M.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-569360\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-4.jpg\" alt=\"nong-do-mol-la-gi-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>B\u00e0i t\u1eadp v\u1eadn d\u1ee5ng c\u00f3 l\u1eddi gi\u1ea3i t\u1eebng b\u01b0\u1edbc<\/b><\/h2>\n<p style=\"text-align: justify;\">C\u00e1c v\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y bao qu\u00e1t m\u1ecdi d\u1ea1ng th\u01b0\u1eddng g\u1eb7p: t\u00ednh CM, t\u00ednh n, t\u00ednh V, pha lo\u00e3ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i C% sang CM.<\/p>\n<p style=\"text-align: justify;\"><b>B\u00e0i 1 (t\u00ednh CM).<\/b> H\u00f2a tan 0,5 mol NaCl v\u00e0o n\u01b0\u1edbc \u0111\u1ec3 \u0111\u01b0\u1ee3c 2 l\u00edt dung d\u1ecbch. T\u00ednh n\u1ed3ng \u0111\u1ed9 mol.<br \/>B\u01b0\u1edbc 1: x\u00e1c \u0111\u1ecbnh n = 0,5 mol, V = 2 l\u00edt. B\u01b0\u1edbc 2: \u00e1p d\u1ee5ng CM = n\/V = 0,5\/2 = <b>0,25 mol\/l<\/b>.<\/p>\n<p style=\"text-align: justify;\"><b>B\u00e0i 2 (t\u00ednh CM t\u1eeb kh\u1ed1i l\u01b0\u1ee3ng).<\/b> T\u00ednh n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a dung d\u1ecbch ch\u1ee9a 11,7 gam NaCl trong 500 ml (M c\u1ee7a NaCl = 58,5).<br \/>B\u01b0\u1edbc 1: \u0111\u1ed5i 500 ml = 0,5 l\u00edt. B\u01b0\u1edbc 2: t\u00ednh s\u1ed1 mol n = m\/M = 11,7\/58,5 = 0,2 mol. B\u01b0\u1edbc 3: CM = n\/V = 0,2\/0,5 = <b>0,4 mol\/l<\/b>.<\/p>\n<p style=\"text-align: justify;\"><b>B\u00e0i 3 (t\u00ednh n).<\/b> C\u1ea7n bao nhi\u00eau mol ch\u1ea5t tan \u0111\u1ec3 pha 2 l\u00edt dung d\u1ecbch n\u1ed3ng \u0111\u1ed9 0,3 mol\/l?<br \/>\u00c1p d\u1ee5ng n = CM \u00d7 V = 0,3 \u00d7 2 = <b>0,6 mol<\/b>.<\/p>\n<p style=\"text-align: justify;\"><b>B\u00e0i 4 (t\u00ednh V).<\/b> C\u1ea7n bao nhi\u00eau l\u00edt dung d\u1ecbch HCl 0,5M \u0111\u1ec3 c\u00f3 0,2 mol HCl?<br \/>\u00c1p d\u1ee5ng V = n\/CM = 0,2\/0,5 = <b>0,4 l\u00edt<\/b> (t\u1ee9c 400 ml).<\/p>\n<p style=\"text-align: justify;\"><b>B\u00e0i 5 (pha lo\u00e3ng).<\/b> Pha lo\u00e3ng 100 ml dung d\u1ecbch NaOH 2M th\u00e0nh 500 ml. T\u00ednh n\u1ed3ng \u0111\u1ed9 mol sau khi pha lo\u00e3ng.<br \/>B\u01b0\u1edbc 1: s\u1ed1 mol NaOH kh\u00f4ng \u0111\u1ed5i khi th\u00eam n\u01b0\u1edbc: n = CM \u00d7 V = 2 \u00d7 0,1 = 0,2 mol. B\u01b0\u1edbc 2: th\u1ec3 t\u00edch m\u1edbi V = 0,5 l\u00edt. B\u01b0\u1edbc 3: CM m\u1edbi = 0,2\/0,5 = <b>0,4 mol\/l<\/b>. (C\u00f3 th\u1ec3 d\u00f9ng nhanh c\u00f4ng th\u1ee9c C1V1 = C2V2.)<\/p>\n<p style=\"text-align: justify;\"><b>B\u00e0i 6 (\u0111\u1ed5i C% sang CM).<\/b> Dung d\u1ecbch H2SO4 c\u00f3 C% = 98%, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang D = 1,84 g\/ml, M = 98. T\u00ednh n\u1ed3ng \u0111\u1ed9 mol.<br \/>\u00c1p d\u1ee5ng CM = (10 \u00d7 D \u00d7 C%)\/M = (10 \u00d7 1,84 \u00d7 98)\/98 = <b>18,4 mol\/l<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-569358\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-2.jpg\" alt=\"nong-do-mol-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/nong-do-mol-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi t\u00ednh n\u1ed3ng \u0111\u1ed9 mol<\/b><\/h2>\n<p style=\"text-align: justify;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c l\u1ed7i khi\u1ebfn h\u1ecdc sinh m\u1ea5t \u0111i\u1ec3m oan trong b\u00e0i to\u00e1n v\u1ec1 dung d\u1ecbch.<\/p>\n<ul style=\"text-align: justify;\">\n<li>Qu\u00ean \u0111\u1ed5i th\u1ec3 t\u00edch t\u1eeb ml sang l\u00edt tr\u01b0\u1edbc khi thay v\u00e0o c\u00f4ng th\u1ee9c CM = n\/V.<\/li>\n<li>Nh\u1ea7m gi\u1eefa th\u1ec3 t\u00edch dung d\u1ecbch v\u00e0 th\u1ec3 t\u00edch dung m\u00f4i (n\u01b0\u1edbc) khi t\u00ednh V.<\/li>\n<li>B\u1ecf qua b\u01b0\u1edbc n = m\/M, thay th\u1eb3ng kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan v\u00e0o v\u1ecb tr\u00ed c\u1ee7a s\u1ed1 mol n.<\/li>\n<li>Khi pha lo\u00e3ng l\u1ea1i qu\u00ean r\u1eb1ng s\u1ed1 mol ch\u1ea5t tan gi\u1eef nguy\u00ean, ch\u1ec9 c\u00f3 th\u1ec3 t\u00edch t\u0103ng.<\/li>\n<li>D\u00f9ng sai kh\u1ed1i l\u01b0\u1ee3ng mol M (nh\u1ea7m gi\u1eefa nguy\u00ean t\u1eed kh\u1ed1i v\u00e0 ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a ch\u1ea5t).<\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><b>M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa n\u1ed3ng \u0111\u1ed9 mol, s\u1ed1 mol v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng<\/b><\/h2>\n<p style=\"text-align: justify;\">N\u1ed3ng \u0111\u1ed9 mol th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng n\u1ed1i ti\u1ebfp v\u1edbi c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng kh\u00e1c trong m\u1ed9t chu\u1ed7i t\u00ednh to\u00e1n. T\u1eeb n\u1ed3ng \u0111\u1ed9 mol v\u00e0 th\u1ec3 t\u00edch, b\u1ea1n t\u00ednh \u0111\u01b0\u1ee3c s\u1ed1 mol ch\u1ea5t tan (n = CM \u00d7 V); t\u1eeb s\u1ed1 mol v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng mol, b\u1ea1n t\u00ednh \u0111\u01b0\u1ee3c kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan (m = n \u00d7 M). Nh\u1edd chu\u1ed7i c\u00f4ng th\u1ee9c n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i linh ho\u1ea1t gi\u1eefa n\u1ed3ng \u0111\u1ed9, th\u1ec3 t\u00edch, s\u1ed1 mol v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng, t\u1eeb \u0111\u00f3 gi\u1ea3i tr\u1ecdn v\u1eb9n h\u1ea7u h\u1ebft b\u00e0i to\u00e1n v\u1ec1 dung d\u1ecbch v\u00e0 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/p>\n<h2 style=\"text-align: justify;\"><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 n\u1ed3ng \u0111\u1ed9 mol<\/b><\/h2>\n<h3 style=\"text-align: justify;\"><b>N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\">L\u00e0 \u0111\u1ea1i l\u01b0\u1ee3ng cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan c\u00f3 trong m\u1ed9t l\u00edt dung d\u1ecbch, k\u00fd hi\u1ec7u CM.<\/p>\n<h3 style=\"text-align: justify;\"><b>C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\">CM = n\/V, v\u1edbi n l\u00e0 s\u1ed1 mol ch\u1ea5t tan v\u00e0 V l\u00e0 th\u1ec3 t\u00edch dung d\u1ecbch t\u00ednh b\u1eb1ng l\u00edt.<\/p>\n<h3 style=\"text-align: justify;\"><b>\u0110\u01a1n v\u1ecb c\u1ee7a n\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\">L\u00e0 mol tr\u00ean l\u00edt (mol\/l), th\u01b0\u1eddng k\u00fd hi\u1ec7u l\u00e0 M.<\/p>\n<h3 style=\"text-align: justify;\"><b>C\u00e1ch t\u00ednh s\u1ed1 mol t\u1eeb n\u1ed3ng \u0111\u1ed9 mol?<\/b><\/h3>\n<p style=\"text-align: justify;\">S\u1ed1 mol n = CM \u00d7 V, t\u1ee9c l\u1ea5y n\u1ed3ng \u0111\u1ed9 mol nh\u00e2n v\u1edbi th\u1ec3 t\u00edch dung d\u1ecbch (l\u00edt).<\/p>\n<h3 style=\"text-align: justify;\"><b>L\u00e0m sao \u0111\u1ed5i n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m sang n\u1ed3ng \u0111\u1ed9 mol?<\/b><\/h3>\n<p style=\"text-align: justify;\">D\u00f9ng c\u00f4ng th\u1ee9c CM = (10 \u00d7 D \u00d7 C%)\/M, v\u1edbi D l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang dung d\u1ecbch (g\/ml) v\u00e0 M l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng mol ch\u1ea5t tan.<\/p>\n<h3 style=\"text-align: justify;\"><b>Khi pha lo\u00e3ng dung d\u1ecbch, n\u1ed3ng \u0111\u1ed9 mol thay \u0111\u1ed5i th\u1ebf n\u00e0o?<\/b><\/h3>\n<p style=\"text-align: justify;\">S\u1ed1 mol ch\u1ea5t tan gi\u1eef nguy\u00ean, th\u1ec3 t\u00edch t\u0103ng l\u00ean n\u00ean n\u1ed3ng \u0111\u1ed9 mol gi\u1ea3m; c\u00f3 th\u1ec3 t\u00ednh nhanh b\u1eb1ng C1V1 = C2V2.<\/p>\n<h2 style=\"text-align: justify;\"><b>K\u1ebft lu\u1eadn<\/b><\/h2>\n<p style=\"text-align: justify;\">T\u00f3m l\u1ea1i, n\u1ed3ng \u0111\u1ed9 mol cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan trong 1 l\u00edt dung d\u1ecbch, t\u00ednh b\u1eb1ng CM = n\/V v\u00e0 \u0111o b\u1eb1ng mol\/l. Khi n\u1eafm ch\u1eafc c\u00f4ng th\u1ee9c g\u1ed1c c\u00f9ng c\u00e1c bi\u1ebfn \u0111\u1ed5i n = CM \u00d7 V, V = n\/CM v\u00e0 c\u00e1ch \u0111\u1ed5i C% sang CM, b\u1ea1n s\u1ebd gi\u1ea3i nhanh g\u1ecdn m\u1ecdi b\u00e0i to\u00e1n v\u1ec1 dung d\u1ecbch. \u0110\u1ec3 h\u1ecdc th\u00eam, m\u1eddi b\u1ea1n tham kh\u1ea3o c\u00e1c b\u00e0i <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/1-lit-bang-bao-nhieu-ml\/\">1 l\u00edt b\u1eb1ng bao nhi\u00eau ml<\/a>, <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/1-kilogam-kg-bang-bao-nhieu-gam-g\/\">1 kg b\u1eb1ng bao nhi\u00eau gam<\/a> v\u00e0 <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/1-nam-anh-sang-bang-bao-nhieu-km\/\">m\u1ed9t n\u0103m \u00e1nh s\u00e1ng b\u1eb1ng bao nhi\u00eau km<\/a> tr\u00ean chuy\u00ean m\u1ee5c tin t\u1ee9c c\u1ee7a Ho\u00e0ng H\u00e0 Mobile.<\/p>\n<p style=\"text-align: justify;\"><b>Xem th\u00eam:<\/b><\/p>\n<ul>\n<li><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/nguyen-phan-la-gi\/\">Nguy\u00ean ph\u00e2n l\u00e0 g\u00ec? Di\u1ec5n bi\u1ebfn, k\u1ebft qu\u1ea3 v\u00e0 \u00fd ngh\u0129a c\u1ee7a nguy\u00ean ph\u00e2n<\/a><\/li>\n<li><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/nguyen-tu-khoi\/\">Nguy\u00ean t\u1eed kh\u1ed1i l\u00e0 g\u00ec? B\u1ea3ng nguy\u00ean t\u1eed kh\u1ed1i c\u00e1c nguy\u00ean t\u1ed1<\/a><\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\", \"name\": \"N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"N\u1ed3ng \u0111\u1ed9 mol l\u00e0 \u0111\u1ea1i l\u01b0\u1ee3ng cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan c\u00f3 trong m\u1ed9t l\u00edt dung d\u1ecbch, k\u00fd hi\u1ec7u CM.\"}},\n    {\"@type\": \"Question\", \"name\": \"C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"CM = n\/V, v\u1edbi n l\u00e0 s\u1ed1 mol ch\u1ea5t tan v\u00e0 V l\u00e0 th\u1ec3 t\u00edch dung d\u1ecbch t\u00ednh b\u1eb1ng l\u00edt.\"}},\n    {\"@type\": \"Question\", \"name\": \"\u0110\u01a1n v\u1ecb c\u1ee7a n\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\u0110\u01a1n v\u1ecb c\u1ee7a n\u1ed3ng \u0111\u1ed9 mol l\u00e0 mol tr\u00ean l\u00edt (mol\/l), th\u01b0\u1eddng k\u00fd hi\u1ec7u l\u00e0 M.\"}},\n    {\"@type\": \"Question\", \"name\": \"C\u00e1ch t\u00ednh s\u1ed1 mol t\u1eeb n\u1ed3ng \u0111\u1ed9 mol?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"S\u1ed1 mol n = CM \u00d7 V, t\u1ee9c l\u1ea5y n\u1ed3ng \u0111\u1ed9 mol nh\u00e2n v\u1edbi th\u1ec3 t\u00edch dung d\u1ecbch t\u00ednh b\u1eb1ng l\u00edt.\"}},\n    {\"@type\": \"Question\", \"name\": \"L\u00e0m sao \u0111\u1ed5i n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m sang n\u1ed3ng \u0111\u1ed9 mol?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"D\u00f9ng c\u00f4ng th\u1ee9c CM = (10 \u00d7 D \u00d7 C%)\/M, v\u1edbi D l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang dung d\u1ecbch (g\/ml) v\u00e0 M l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng mol ch\u1ea5t tan.\"}},\n    {\"@type\": \"Question\", \"name\": \"Khi pha lo\u00e3ng dung d\u1ecbch, n\u1ed3ng \u0111\u1ed9 mol thay \u0111\u1ed5i th\u1ebf n\u00e0o?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"S\u1ed1 mol ch\u1ea5t tan gi\u1eef nguy\u00ean c\u00f2n th\u1ec3 t\u00edch t\u0103ng n\u00ean n\u1ed3ng \u0111\u1ed9 mol gi\u1ea3m; c\u00f3 th\u1ec3 t\u00ednh nhanh b\u1eb1ng C1V1 = C2V2.\"}}\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1ed3ng \u0111\u1ed9 mol c\u1ee7a m\u1ed9t dung d\u1ecbch cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan c\u00f3 trong 1 l\u00edt dung d\u1ecbch, \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c CM = n\/V. Trong \u0111\u00f3 n l\u00e0 s\u1ed1 mol ch\u1ea5t tan v\u00e0 V l\u00e0 th\u1ec3 t\u00edch dung d\u1ecbch t\u00ednh b\u1eb1ng l\u00edt. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng c\u1ee7a H\u00f3a h\u1ecdc l\u1edbp [&hellip;]<\/p>\n","protected":false},"author":84,"featured_media":569356,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"n\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec","_yoast_wpseo_title":"N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec? C\u00f4ng th\u1ee9c v\u00e0 b\u00e0i t\u1eadp","_yoast_wpseo_metadesc":"N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u c\u00f4ng th\u1ee9c CM = n\/V (mol\/l\u00edt), c\u00e1ch t\u00ednh s\u1ed1 mol, th\u1ec3 t\u00edch, pha lo\u00e3ng v\u00e0 \u0111\u1ed5i C% sang CM k\u00e8m b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i chi ti\u1ebft.","footnotes":""},"categories":[29235,3910,30453],"tags":[],"class_list":["post-567275","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha","category-kien-thuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec? C\u00f4ng th\u1ee9c v\u00e0 b\u00e0i t\u1eadp<\/title>\n<meta name=\"description\" content=\"N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u c\u00f4ng th\u1ee9c CM = n\/V (mol\/l\u00edt), c\u00e1ch t\u00ednh s\u1ed1 mol, th\u1ec3 t\u00edch, pha lo\u00e3ng v\u00e0 \u0111\u1ed5i C% sang CM k\u00e8m b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i chi ti\u1ebft.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/nong-do-mol-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec? C\u00f4ng th\u1ee9c CM = n\/V v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng\" \/>\n<meta property=\"og:description\" content=\"N\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec? 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