{"id":320658,"date":"2024-03-02T18:34:37","date_gmt":"2024-03-02T11:34:37","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=320658"},"modified":"2026-11-05T14:14:01","modified_gmt":"2026-11-05T07:14:01","slug":"cong-thuc-tinh-nong-do-phan-tram","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/cong-thuc-tinh-nong-do-phan-tram\/","title":{"rendered":"C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (C%) v\u00e0 b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i"},"content":{"rendered":"<p><strong>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (C%) c\u1ee7a dung d\u1ecbch cho bi\u1ebft s\u1ed1 gam ch\u1ea5t tan c\u00f3 trong 100 gam dung d\u1ecbch, t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c C% = m<sub>ct<\/sub> \/ m<sub>dd<\/sub> \u00d7 100%, trong \u0111\u00f3 m<sub>dd<\/sub> = m<sub>ct<\/sub> + m<sub>dung m\u00f4i<\/sub>.<\/strong> V\u00ed d\u1ee5 h\u00f2a tan 15 g \u0111\u01b0\u1eddng v\u00e0o 60 g n\u01b0\u1edbc \u0111\u01b0\u1ee3c 75 g dung d\u1ecbch, n\u1ed3ng \u0111\u1ed9 C% = 15 \/ 75 \u00d7 100% = 20%. B\u00e0i vi\u1ebft tr\u00ecnh b\u00e0y c\u00f4ng th\u1ee9c, c\u00e1c c\u00f4ng th\u1ee9c suy ra, b\u00e0i to\u00e1n pha lo\u00e3ng v\u00e0 tr\u1ed9n dung d\u1ecbch, c\u00e1ch \u0111\u1ed5i sang n\u1ed3ng \u0111\u1ed9 mol v\u00e0 b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i.<\/p>\n<p><strong>T\u00f3m t\u1eaft nhanh:<\/strong><\/p>\n<ul>\n<li><strong>C\u00f4ng th\u1ee9c:<\/strong> C% = m<sub>ct<\/sub> \/ m<sub>dd<\/sub> \u00d7 100%.<\/li>\n<li><strong>Kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan:<\/strong> m<sub>ct<\/sub> = C% \u00d7 m<sub>dd<\/sub> \/ 100%.<\/li>\n<li><strong>Kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch:<\/strong> m<sub>dd<\/sub> = m<sub>ct<\/sub> \u00d7 100% \/ C%; m<sub>dd<\/sub> = m<sub>ct<\/sub> + m<sub>n\u01b0\u1edbc<\/sub>.<\/li>\n<li><strong>\u0110\u1ed5i sang n\u1ed3ng \u0111\u1ed9 mol:<\/strong> C<sub>M<\/sub> = 10 \u00d7 d \u00d7 C% \/ M (d t\u00ednh b\u1eb1ng g\/mL).<\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-321296\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-4.jpg\" alt=\"N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m c\u1ee7a dung d\u1ecbch\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m l\u00e0 g\u00ec?<\/h2>\n<p>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (k\u00fd hi\u1ec7u C%) c\u1ee7a m\u1ed9t dung d\u1ecbch l\u00e0 s\u1ed1 gam ch\u1ea5t tan c\u00f3 trong 100 gam dung d\u1ecbch. Dung d\u1ecbch mu\u1ed1i 10% ngh\u0129a l\u00e0 c\u1ee9 100 g dung d\u1ecbch th\u00ec c\u00f3 10 g mu\u1ed1i v\u00e0 90 g n\u01b0\u1edbc.<\/p>\n<ul>\n<li><strong>Ch\u1ea5t tan:<\/strong> ch\u1ea5t \u0111\u01b0\u1ee3c h\u00f2a tan (mu\u1ed1i, \u0111\u01b0\u1eddng, axit\u2026), kh\u1ed1i l\u01b0\u1ee3ng m<sub>ct<\/sub>.<\/li>\n<li><strong>Dung m\u00f4i:<\/strong> ch\u1ea5t h\u00f2a tan ch\u1ea5t tan, th\u01b0\u1eddng l\u00e0 n\u01b0\u1edbc, kh\u1ed1i l\u01b0\u1ee3ng m<sub>dm<\/sub>.<\/li>\n<li><strong>Dung d\u1ecbch:<\/strong> h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t c\u1ee7a ch\u1ea5t tan v\u00e0 dung m\u00f4i, m<sub>dd<\/sub> = m<sub>ct<\/sub> + m<sub>dm<\/sub>.<\/li>\n<\/ul>\n<p>L\u01b0u \u00fd: trong ch\u01b0\u01a1ng tr\u00ecnh ph\u1ed5 th\u00f4ng, C% l\u00e0 ph\u1ea7n tr\u0103m theo kh\u1ed1i l\u01b0\u1ee3ng. Trong y t\u1ebf hay \u0111\u1eddi s\u1ed1ng c\u00f2n g\u1eb7p n\u1ed3ng \u0111\u1ed9 % theo th\u1ec3 t\u00edch (v\u00ed d\u1ee5 c\u1ed3n 70\u00b0) ho\u1eb7c % kh\u1ed1i l\u01b0\u1ee3ng\/th\u1ec3 t\u00edch (s\u1ed1 gam ch\u1ea5t tan trong 100 mL dung d\u1ecbch); \u0111\u00e2y l\u00e0 c\u00e1c c\u00e1ch bi\u1ec3u di\u1ec5n kh\u00e1c.<\/p>\n<h2>C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m<\/h2>\n<p style=\"text-align: center;\"><strong>C% = (m<sub>ct<\/sub> \/ m<sub>dd<\/sub>) \u00d7 100%<\/strong><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-321300\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-7.jpg\" alt=\"C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m C%\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<table>\n<thead>\n<tr>\n<th>C\u1ea7n t\u00ecm<\/th>\n<th>C\u00f4ng th\u1ee9c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m<\/td>\n<td>C% = m<sub>ct<\/sub> \/ m<sub>dd<\/sub> \u00d7 100%<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan<\/td>\n<td>m<sub>ct<\/sub> = C% \u00d7 m<sub>dd<\/sub> \/ 100%<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch<\/td>\n<td>m<sub>dd<\/sub> = m<sub>ct<\/sub> \u00d7 100% \/ C%<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ed1i l\u01b0\u1ee3ng dung m\u00f4i<\/td>\n<td>m<sub>dm<\/sub> = m<sub>dd<\/sub> \u2212 m<sub>ct<\/sub><\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch t\u1eeb th\u1ec3 t\u00edch<\/td>\n<td>m<sub>dd<\/sub> = D \u00d7 V (D: kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang, g\/mL; V: mL)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>B\u00e0i t\u1eadp t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m c\u00f3 l\u1eddi gi\u1ea3i<\/h2>\n<p><strong>B\u00e0i 1 (t\u00ednh C%):<\/strong> H\u00f2a tan 15 g \u0111\u01b0\u1eddng v\u00e0o 60 g n\u01b0\u1edbc. T\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m.<br \/>L\u1eddi gi\u1ea3i: m<sub>dd<\/sub> = 15 + 60 = 75 g. C% = 15 \/ 75 \u00d7 100% = 20%.<\/p>\n<p><strong>B\u00e0i 2 (t\u00ednh ch\u1ea5t tan):<\/strong> T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng H\u2082SO\u2084 c\u00f3 trong 400 g dung d\u1ecbch H\u2082SO\u2084 35%.<br \/>L\u1eddi gi\u1ea3i: m<sub>ct<\/sub> = 35 \u00d7 400 \/ 100 = 140 g.<\/p>\n<p><strong>B\u00e0i 3 (t\u00ednh dung d\u1ecbch):<\/strong> Dung d\u1ecbch 20% ch\u1ee9a 40 g ch\u1ea5t tan. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch.<br \/>L\u1eddi gi\u1ea3i: m<sub>dd<\/sub> = 40 \u00d7 100 \/ 20 = 200 g.<\/p>\n<p><strong>B\u00e0i 4 (pha ch\u1ebf):<\/strong> C\u1ea7n bao nhi\u00eau gam mu\u1ed1i v\u00e0 bao nhi\u00eau gam n\u01b0\u1edbc \u0111\u1ec3 pha 50 g dung d\u1ecbch mu\u1ed1i 10%?<br \/>L\u1eddi gi\u1ea3i: m<sub>mu\u1ed1i<\/sub> = 10 \u00d7 50 \/ 100 = 5 g; m<sub>n\u01b0\u1edbc<\/sub> = 50 \u2212 5 = 45 g.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-321297\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-3.jpg\" alt=\"Pha ch\u1ebf dung d\u1ecbch theo n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>B\u00e0i 5 (pha lo\u00e3ng):<\/strong> Th\u00eam 100 g n\u01b0\u1edbc v\u00e0o 200 g dung d\u1ecbch mu\u1ed1i 15%. T\u00ednh n\u1ed3ng \u0111\u1ed9 dung d\u1ecbch m\u1edbi.<br \/>L\u1eddi gi\u1ea3i: m<sub>ct<\/sub> = 15 \u00d7 200 \/ 100 = 30 g, kh\u00f4ng \u0111\u1ed5i khi th\u00eam n\u01b0\u1edbc. m<sub>dd m\u1edbi<\/sub> = 200 + 100 = 300 g. C% = 30 \/ 300 \u00d7 100% = 10%.<\/p>\n<p><strong>B\u00e0i 6 (tr\u1ed9n dung d\u1ecbch):<\/strong> Tr\u1ed9n 100 g dung d\u1ecbch mu\u1ed1i 10% v\u1edbi 100 g dung d\u1ecbch mu\u1ed1i 30%. T\u00ednh n\u1ed3ng \u0111\u1ed9 dung d\u1ecbch thu \u0111\u01b0\u1ee3c.<br \/>L\u1eddi gi\u1ea3i: m<sub>ct<\/sub> = 10 + 30 = 40 g; m<sub>dd<\/sub> = 200 g; C% = 40 \/ 200 \u00d7 100% = 20%.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-321295\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-5.jpg\" alt=\"C\u00e1c \u1ed1ng nghi\u1ec7m ch\u1ee9a dung d\u1ecbch c\u00f3 n\u1ed3ng \u0111\u1ed9 kh\u00e1c nhau\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>N\u1ed3ng \u0111\u1ed9 mol v\u00e0 m\u1ed1i li\u00ean h\u1ec7 v\u1edbi n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m<\/h2>\n<p>N\u1ed3ng \u0111\u1ed9 mol (C<sub>M<\/sub>) l\u00e0 s\u1ed1 mol ch\u1ea5t tan c\u00f3 trong 1 l\u00edt dung d\u1ecbch: <strong>C<sub>M<\/sub> = n \/ V<\/strong> (mol\/L, k\u00fd hi\u1ec7u M), v\u1edbi V t\u00ednh b\u1eb1ng l\u00edt. L\u01b0u \u00fd n\u1ed3ng \u0111\u1ed9 mol kh\u00e1c n\u1ed3ng \u0111\u1ed9 molan (s\u1ed1 mol ch\u1ea5t tan trong 1 kg dung m\u00f4i). Chi ti\u1ebft c\u00f3 trong b\u00e0i <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/nong-do-mol-la-gi\/\">n\u1ed3ng \u0111\u1ed9 mol l\u00e0 g\u00ec<\/a>; c\u00e1ch t\u00ednh s\u1ed1 mol t\u1eeb kh\u1ed1i l\u01b0\u1ee3ng xem b\u00e0i <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/khoi-luong-mol\/\">kh\u1ed1i l\u01b0\u1ee3ng mol<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-321294\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-6.jpg\" alt=\"N\u1ed3ng \u0111\u1ed9 mol c\u1ee7a dung d\u1ecbch\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong> H\u00f2a tan 20 g NaCl th\u00e0nh 300 mL dung d\u1ecbch. T\u00ednh n\u1ed3ng \u0111\u1ed9 mol.<br \/>L\u1eddi gi\u1ea3i: M<sub>NaCl<\/sub> = 23 + 35,5 = 58,5 g\/mol, n = 20 \/ 58,5 \u2248 0,342 mol. V = 0,3 L, C<sub>M<\/sub> = 0,342 \/ 0,3 \u2248 1,14 M.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-321299\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-8.jpg\" alt=\"T\u00ednh n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a dung d\u1ecbch NaCl\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>C\u00f4ng th\u1ee9c \u0111\u1ed5i gi\u1eefa hai lo\u1ea1i n\u1ed3ng \u0111\u1ed9:<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>C<sub>M<\/sub> = 10 \u00d7 d \u00d7 C% \/ M<\/strong> hay <strong>C% = C<sub>M<\/sub> \u00d7 M \/ (10 \u00d7 d)<\/strong><\/p>\n<p>Trong \u0111\u00f3 d l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a dung d\u1ecbch (g\/mL), M l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng mol ch\u1ea5t tan (g\/mol), C% vi\u1ebft d\u01b0\u1edbi d\u1ea1ng s\u1ed1 (20% th\u00ec thay 20). V\u00ed d\u1ee5 dung d\u1ecbch HCl 20% c\u00f3 d = 1,1 g\/mL: C<sub>M<\/sub> = 10 \u00d7 1,1 \u00d7 20 \/ 36,5 \u2248 6,03 M.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-321298\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-8-1.jpg\" alt=\"Li\u00ean h\u1ec7 gi\u1eefa n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m v\u00e0 n\u1ed3ng \u0111\u1ed9 mol\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-8-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-8-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/03\/cong-thuc-tinh-nong-do-phan-tram-8-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>L\u01b0u \u00fd khi t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m<\/h2>\n<ul>\n<li>m<sub>dd<\/sub> l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ea3 dung d\u1ecbch, kh\u00f4ng ph\u1ea3i kh\u1ed1i l\u01b0\u1ee3ng n\u01b0\u1edbc; nh\u1ea7m ch\u1ed7 n\u00e0y l\u00e0 l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/li>\n<li>Khi pha lo\u00e3ng b\u1eb1ng n\u01b0\u1edbc, kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan gi\u1eef nguy\u00ean.<\/li>\n<li>\u0110\u1ec1 cho th\u1ec3 t\u00edch dung d\u1ecbch th\u00ec \u0111\u1ed5i sang kh\u1ed1i l\u01b0\u1ee3ng b\u1eb1ng m = D \u00d7 V.<\/li>\n<li>N\u1ebfu c\u00f3 ph\u1ea3n \u1ee9ng t\u1ea1o kh\u00ed ho\u1eb7c k\u1ebft t\u1ee7a, kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch sau ph\u1ea3n \u1ee9ng ph\u1ea3i tr\u1eeb \u0111i kh\u1ed1i l\u01b0\u1ee3ng kh\u00ed, k\u1ebft t\u1ee7a.<\/li>\n<li>Th\u1ed1ng nh\u1ea5t \u0111\u01a1n v\u1ecb (g v\u1edbi g, mL v\u1edbi g\/mL) tr\u01b0\u1edbc khi thay s\u1ed1.<\/li>\n<\/ul>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m l\u00e0 g\u00ec?<\/h3>\n<p>C% = m<sub>ct<\/sub> \/ m<sub>dd<\/sub> \u00d7 100%, v\u1edbi m<sub>ct<\/sub> l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan v\u00e0 m<sub>dd<\/sub> l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch.<\/p>\n<h3>Kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch t\u00ednh th\u1ebf n\u00e0o?<\/h3>\n<p>m<sub>dd<\/sub> = m<sub>ch\u1ea5t tan<\/sub> + m<sub>dung m\u00f4i<\/sub>, ho\u1eb7c m<sub>dd<\/sub> = m<sub>ct<\/sub> \u00d7 100% \/ C%, ho\u1eb7c m<sub>dd<\/sub> = D \u00d7 V n\u1ebfu bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang v\u00e0 th\u1ec3 t\u00edch.<\/p>\n<h3>Dung d\u1ecbch 10% ngh\u0129a l\u00e0 g\u00ec?<\/h3>\n<p>C\u1ee9 100 g dung d\u1ecbch c\u00f3 10 g ch\u1ea5t tan v\u00e0 90 g dung m\u00f4i.<\/p>\n<h3>Pha th\u00eam n\u01b0\u1edbc th\u00ec n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m thay \u0111\u1ed5i th\u1ebf n\u00e0o?<\/h3>\n<p>Kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan kh\u00f4ng \u0111\u1ed5i nh\u01b0ng kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch t\u0103ng n\u00ean n\u1ed3ng \u0111\u1ed9 gi\u1ea3m. V\u00ed d\u1ee5 200 g dung d\u1ecbch 15% th\u00eam 100 g n\u01b0\u1edbc c\u00f2n 10%.<\/p>\n<h3>\u0110\u1ed5i n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m sang n\u1ed3ng \u0111\u1ed9 mol th\u1ebf n\u00e0o?<\/h3>\n<p>D\u00f9ng C<sub>M<\/sub> = 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>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m h\u1ecdc \u1edf l\u1edbp m\u1ea5y?<\/h3>\n<p>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m v\u00e0 n\u1ed3ng \u0111\u1ed9 mol \u0111\u01b0\u1ee3c h\u1ecdc \u1edf Khoa h\u1ecdc t\u1ef1 nhi\u00ean l\u1edbp 8 theo ch\u01b0\u01a1ng tr\u00ecnh GDPT 2018 (tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 H\u00f3a h\u1ecdc l\u1edbp 8).<\/p>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m l\u00e0 g\u00ec?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"C% = mct \/ mdd \u00d7 100%, v\u1edbi mct l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan v\u00e0 mdd l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch t\u00ednh th\u1ebf n\u00e0o?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"mdd = mch\u1ea5t tan + mdung m\u00f4i, ho\u1eb7c mdd = mct \u00d7 100% \/ C%, ho\u1eb7c mdd = D \u00d7 V n\u1ebfu bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang v\u00e0 th\u1ec3 t\u00edch.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Dung d\u1ecbch 10% ngh\u0129a l\u00e0 g\u00ec?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"C\u1ee9 100 g dung d\u1ecbch c\u00f3 10 g ch\u1ea5t tan v\u00e0 90 g dung m\u00f4i.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Pha th\u00eam n\u01b0\u1edbc th\u00ec n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m thay \u0111\u1ed5i th\u1ebf n\u00e0o?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan kh\u00f4ng \u0111\u1ed5i nh\u01b0ng kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch t\u0103ng n\u00ean n\u1ed3ng \u0111\u1ed9 gi\u1ea3m. V\u00ed d\u1ee5 200 g dung d\u1ecbch 15% th\u00eam 100 g n\u01b0\u1edbc c\u00f2n 10%.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0110\u1ed5i n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m sang n\u1ed3ng \u0111\u1ed9 mol th\u1ebf n\u00e0o?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"D\u00f9ng 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      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m h\u1ecdc \u1edf l\u1edbp m\u1ea5y?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m v\u00e0 n\u1ed3ng \u0111\u1ed9 mol \u0111\u01b0\u1ee3c h\u1ecdc \u1edf Khoa h\u1ecdc t\u1ef1 nhi\u00ean l\u1edbp 8 theo ch\u01b0\u01a1ng tr\u00ecnh GDPT 2018 (tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 H\u00f3a h\u1ecdc l\u1edbp 8).\"\n      }\n    }\n  ]\n}\n<\/script><\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m cho bi\u1ebft s\u1ed1 gam ch\u1ea5t tan trong 100 g dung d\u1ecbch, t\u00ednh b\u1eb1ng C% = m<sub>ct<\/sub> \/ m<sub>dd<\/sub> \u00d7 100%. Nh\u1edb r\u1eb1ng kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch g\u1ed3m c\u1ea3 ch\u1ea5t tan, ch\u1ea5t tan kh\u00f4ng \u0111\u1ed5i khi pha lo\u00e3ng, v\u00e0 d\u00f9ng C<sub>M<\/sub> = 10dC%\/M khi c\u1ea7n \u0111\u1ed5i sang n\u1ed3ng \u0111\u1ed9 mol. Tham kh\u1ea3o th\u00eam b\u00e0i <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/hoa-tri-la-gi\/\">h\u00f3a tr\u1ecb v\u00e0 b\u1ea3ng h\u00f3a tr\u1ecb<\/a> \u0111\u1ec3 l\u1eadp c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (C%) c\u1ee7a dung d\u1ecbch cho bi\u1ebft s\u1ed1 gam ch\u1ea5t tan c\u00f3 trong 100 gam dung d\u1ecbch, t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c C% = mct \/ mdd \u00d7 100%, trong \u0111\u00f3 mdd = mct + mdung m\u00f4i. V\u00ed d\u1ee5 h\u00f2a tan 15 g \u0111\u01b0\u1eddng v\u00e0o 60 g n\u01b0\u1edbc \u0111\u01b0\u1ee3c 75 g dung d\u1ecbch, [&hellip;]<\/p>\n","protected":false},"author":100,"featured_media":321302,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"c\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m","_yoast_wpseo_title":"C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m C% v\u00e0 b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i","_yoast_wpseo_metadesc":"C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m C% = mct\/mdd \u00d7 100%, c\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan, dung d\u1ecbch, pha lo\u00e3ng, tr\u1ed9n dung d\u1ecbch, \u0111\u1ed5i sang n\u1ed3ng \u0111\u1ed9 mol k\u00e8m b\u00e0i t\u1eadp.","footnotes":""},"categories":[3910,30453],"tags":[],"class_list":["post-320658","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","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>C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m C% v\u00e0 b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i<\/title>\n<meta name=\"description\" content=\"C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m C% = mct\/mdd \u00d7 100%, c\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan, dung d\u1ecbch, pha lo\u00e3ng, tr\u1ed9n dung d\u1ecbch, \u0111\u1ed5i sang n\u1ed3ng \u0111\u1ed9 mol k\u00e8m b\u00e0i t\u1eadp.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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