{"id":570093,"date":"2026-07-27T09:48:05","date_gmt":"2026-07-27T02:48:05","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=570093"},"modified":"2026-07-27T09:48:05","modified_gmt":"2026-07-27T02:48:05","slug":"dung-dich-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/dung-dich-la-gi\/","title":{"rendered":"Dung d\u1ecbch l\u00e0 g\u00ec? Ch\u1ea5t tan, dung m\u00f4i, \u0111\u1ed9 tan v\u00e0 n\u1ed3ng \u0111\u1ed9"},"content":{"rendered":"<p><strong>Dung d\u1ecbch l\u00e0 h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t c\u1ee7a ch\u1ea5t tan v\u00e0 dung m\u00f4i, trong \u0111\u00f3 c\u00e1c ph\u1ea7n t\u1eed ch\u1ea5t tan ph\u00e2n b\u1ed1 \u0111\u1ec1u trong dung m\u00f4i.<\/strong> V\u00ed d\u1ee5 quen thu\u1ed9c nh\u1ea5t l\u00e0 n\u01b0\u1edbc \u0111\u01b0\u1eddng: \u0111\u01b0\u1eddng l\u00e0 ch\u1ea5t tan, n\u01b0\u1edbc l\u00e0 dung m\u00f4i, c\u00f2n n\u01b0\u1edbc \u0111\u01b0\u1eddng l\u00e0 dung d\u1ecbch. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c H\u00f3a h\u1ecdc l\u1edbp 8 nh\u01b0ng theo b\u1ea1n su\u1ed1t c\u00e1c c\u1ea5p h\u1ecdc sau. B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y dung d\u1ecbch l\u00e0 g\u00ec, ph\u00e2n bi\u1ec7t ch\u1ea5t tan v\u00e0 dung m\u00f4i, th\u1ebf n\u00e0o l\u00e0 dung d\u1ecbch b\u00e3o h\u00f2a, c\u00e1ch hi\u1ec3u \u0111\u1ed9 tan v\u00e0 n\u1ed3ng \u0111\u1ed9 dung d\u1ecbch, k\u00e8m b\u1ea3ng tra c\u1ee9u v\u00e0 nhi\u1ec1u b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i t\u1eebng b\u01b0\u1edbc.<\/p>\n<h2>Dung d\u1ecbch l\u00e0 g\u00ec?<\/h2>\n<p>Dung d\u1ecbch l\u00e0 h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t c\u1ee7a ch\u1ea5t tan v\u00e0 dung m\u00f4i. &#8220;\u0110\u1ed3ng nh\u1ea5t&#8221; ngh\u0129a l\u00e0 m\u1ecdi ph\u1ea7n c\u1ee7a dung d\u1ecbch \u0111\u1ec1u gi\u1ed1ng nhau v\u1ec1 th\u00e0nh ph\u1ea7n v\u00e0 t\u00ednh ch\u1ea5t, kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t b\u1eb1ng m\u1eaft th\u01b0\u1eddng c\u00e1c ph\u1ea7n t\u1eed ch\u1ea5t tan ri\u00eang l\u1ebb. Dung d\u1ecbch ph\u1ed5 bi\u1ebfn nh\u1ea5t \u1edf th\u1ec3 l\u1ecfng (n\u01b0\u1edbc mu\u1ed1i, n\u01b0\u1edbc \u0111\u01b0\u1eddng), nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 \u1edf th\u1ec3 r\u1eafn (h\u1ee3p kim nh\u01b0 \u0111\u1ed3ng thau) hay th\u1ec3 kh\u00ed (kh\u00f4ng kh\u00ed l\u00e0 dung d\u1ecbch c\u1ee7a nhi\u1ec1u ch\u1ea5t kh\u00ed). \u0110i\u1ec3m chung l\u00e0 ch\u1ea5t tan lu\u00f4n ph\u00e2n b\u1ed1 \u0111\u1ec1u v\u00e0 kh\u00f4ng t\u1ef1 l\u1eafng xu\u1ed1ng theo th\u1eddi gian.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-570098\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-1.jpg\" alt=\"dung-dich-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>Ch\u1ea5t tan v\u00e0 dung m\u00f4i<\/h2>\n<p>M\u1ed7i dung d\u1ecbch \u0111\u1ec1u g\u1ed3m hai th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 ch\u1ea5t tan v\u00e0 dung m\u00f4i:<\/p>\n<ul>\n<li><strong>Ch\u1ea5t tan:<\/strong> l\u00e0 ch\u1ea5t b\u1ecb h\u00f2a tan trong dung m\u00f4i, v\u00ed d\u1ee5 \u0111\u01b0\u1eddng, mu\u1ed1i \u0103n, kh\u00ed CO<sub>2<\/sub> trong n\u01b0\u1edbc ng\u1ecdt.<\/li>\n<li><strong>Dung m\u00f4i:<\/strong> l\u00e0 ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng h\u00f2a tan ch\u1ea5t kh\u00e1c \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch; n\u01b0\u1edbc l\u00e0 dung m\u00f4i ph\u1ed5 bi\u1ebfn nh\u1ea5t, ngo\u00e0i ra c\u00f2n c\u00f3 c\u1ed3n, x\u0103ng, d\u1ea7u\u2026<\/li>\n<\/ul>\n<p>Th\u00f4ng th\u01b0\u1eddng, ch\u1ea5t c\u00f3 l\u01b0\u1ee3ng nhi\u1ec1u h\u01a1n \u0111\u01b0\u1ee3c coi l\u00e0 dung m\u00f4i, ch\u1ea5t c\u00f3 l\u01b0\u1ee3ng \u00edt h\u01a1n l\u00e0 ch\u1ea5t tan. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y gi\u00fap b\u1ea1n nh\u1eadn di\u1ec7n nhanh hai th\u00e0nh ph\u1ea7n trong v\u00e0i dung d\u1ecbch quen thu\u1ed9c:<\/p>\n<table>\n<thead>\n<tr>\n<th>Dung d\u1ecbch<\/th>\n<th>Ch\u1ea5t tan<\/th>\n<th>Dung m\u00f4i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N\u01b0\u1edbc mu\u1ed1i<\/td>\n<td>Mu\u1ed1i \u0103n (NaCl)<\/td>\n<td>N\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>N\u01b0\u1edbc \u0111\u01b0\u1eddng<\/td>\n<td>\u0110\u01b0\u1eddng<\/td>\n<td>N\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>N\u01b0\u1edbc ng\u1ecdt c\u00f3 ga<\/td>\n<td>Kh\u00ed CO<sub>2<\/sub>, \u0111\u01b0\u1eddng<\/td>\n<td>N\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>C\u1ed3n y t\u1ebf 70 \u0111\u1ed9<\/td>\n<td>N\u01b0\u1edbc<\/td>\n<td>C\u1ed3n (etanol)<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f4ng kh\u00ed<\/td>\n<td>Kh\u00ed oxy, CO<sub>2<\/sub>\u2026<\/td>\n<td>Kh\u00ed nit\u01a1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Dung d\u1ecbch b\u00e3o h\u00f2a v\u00e0 ch\u01b0a b\u00e3o h\u00f2a<\/h2>\n<p>T\u00f9y v\u00e0o vi\u1ec7c c\u00f2n h\u00f2a tan th\u00eam \u0111\u01b0\u1ee3c ch\u1ea5t tan hay kh\u00f4ng, ng\u01b0\u1eddi ta chia ra hai lo\u1ea1i:<\/p>\n<ul>\n<li><strong>Dung d\u1ecbch ch\u01b0a b\u00e3o h\u00f2a:<\/strong> C\u00f3 th\u1ec3 h\u00f2a tan th\u00eam ch\u1ea5t tan \u1edf nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh.<\/li>\n<li><strong>Dung d\u1ecbch b\u00e3o h\u00f2a:<\/strong> Kh\u00f4ng th\u1ec3 h\u00f2a tan th\u00eam ch\u1ea5t tan \u1edf nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh \u0111\u00f3; n\u1ebfu cho th\u00eam, ch\u1ea5t tan s\u1ebd l\u1eafng xu\u1ed1ng \u0111\u00e1y.<\/li>\n<\/ul>\n<p>L\u01b0u \u00fd m\u1ed9t dung d\u1ecbch ch\u1ec9 b\u00e3o h\u00f2a \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3. Khi \u0111un n\u00f3ng, ph\u1ea7n l\u1edbn ch\u1ea5t r\u1eafn tan th\u00eam \u0111\u01b0\u1ee3c n\u00ean dung d\u1ecbch \u0111ang b\u00e3o h\u00f2a l\u1ea1i tr\u1edf th\u00e0nh ch\u01b0a b\u00e3o h\u00f2a.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-570099\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-2.jpg\" alt=\"dung-dich-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>\u0110\u1ed9 tan c\u1ee7a m\u1ed9t ch\u1ea5t<\/h2>\n<p>\u0110\u1ed9 tan (k\u00fd hi\u1ec7u S) c\u1ee7a m\u1ed9t ch\u1ea5t trong n\u01b0\u1edbc l\u00e0 s\u1ed1 gam ch\u1ea5t \u0111\u00f3 h\u00f2a tan \u0111\u01b0\u1ee3c trong 100 gam n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch b\u00e3o h\u00f2a \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh. \u0110\u1ed9 tan ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t ch\u1ea5t tan, dung m\u00f4i v\u00e0 nhi\u1ec7t \u0111\u1ed9. V\u1edbi h\u1ea7u h\u1ebft ch\u1ea5t r\u1eafn, \u0111\u1ed9 tan t\u0103ng khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng; ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ed9 tan c\u1ee7a ch\u1ea5t kh\u00ed trong n\u01b0\u1edbc th\u01b0\u1eddng gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng (\u0111\u00f3 l\u00e0 l\u00fd do n\u01b0\u1edbc ng\u1ecdt \u0111\u1ec3 \u1ea5m s\u1ebd b\u1edbt ga). V\u00ed d\u1ee5, \u1edf 20\u00b0C \u0111\u1ed9 tan c\u1ee7a mu\u1ed1i \u0103n kho\u1ea3ng 36 gam, ngh\u0129a l\u00e0 100 gam n\u01b0\u1edbc h\u00f2a tan t\u1ed1i \u0111a 36 gam mu\u1ed1i r\u1ed3i m\u1edbi b\u00e3o h\u00f2a.<\/p>\n<h2>N\u1ed3ng \u0111\u1ed9 dung d\u1ecbch<\/h2>\n<p>N\u1ed3ng \u0111\u1ed9 cho bi\u1ebft l\u01b0\u1ee3ng ch\u1ea5t tan c\u00f3 trong m\u1ed9t l\u01b0\u1ee3ng dung d\u1ecbch nh\u1ea5t \u0111\u1ecbnh. C\u00f3 hai c\u00e1ch bi\u1ec3u th\u1ecb th\u01b0\u1eddng g\u1eb7p:<\/p>\n<ul>\n<li><strong>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (C%):<\/strong> cho bi\u1ebft s\u1ed1 gam ch\u1ea5t tan c\u00f3 trong 100 gam dung d\u1ecbch. C\u00f4ng th\u1ee9c: C% = (m<sub>ct<\/sub> \/ m<sub>dd<\/sub>) \u00d7 100%, v\u1edbi m<sub>dd<\/sub> = m<sub>ch\u1ea5t tan<\/sub> + m<sub>dung m\u00f4i<\/sub>.<\/li>\n<li><strong>N\u1ed3ng \u0111\u1ed9 mol (C<sub>M<\/sub>):<\/strong> cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan c\u00f3 trong 1 l\u00edt dung d\u1ecbch, t\u00ednh b\u1eb1ng C<sub>M<\/sub> = n \/ V (n l\u00e0 s\u1ed1 mol, V l\u00e0 th\u1ec3 t\u00edch dung d\u1ecbch t\u00ednh b\u1eb1ng l\u00edt).<\/li>\n<\/ul>\n<p>\u0110\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn gi\u1eefa c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng, b\u1ea1n c\u00f3 th\u1ec3 tra nhanh b\u1ea3ng c\u00f4ng th\u1ee9c sau:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1ea1i l\u01b0\u1ee3ng<\/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>\u0110\u1ed9 tan (S)<\/td>\n<td>S\u1ed1 gam ch\u1ea5t tan \/ 100 g n\u01b0\u1edbc (b\u00e3o h\u00f2a)<\/td>\n<td>gam<\/td>\n<\/tr>\n<tr>\n<td>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (C%)<\/td>\n<td>(m<sub>ct<\/sub> \/ m<sub>dd<\/sub>) \u00d7 100%<\/td>\n<td>%<\/td>\n<\/tr>\n<tr>\n<td>N\u1ed3ng \u0111\u1ed9 mol (C<sub>M<\/sub>)<\/td>\n<td>n \/ V<\/td>\n<td>mol\/l<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-570100\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-4.jpg\" alt=\"dung-dich-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>Ph\u00e2n bi\u1ec7t \u0111\u1ed9 tan v\u00e0 n\u1ed3ng \u0111\u1ed9<\/h2>\n<p>Nhi\u1ec1u b\u1ea1n hay nh\u1ea7m hai kh\u00e1i ni\u1ec7m n\u00e0y. \u0110\u1ed9 tan l\u00e0 l\u01b0\u1ee3ng ch\u1ea5t tan t\u1ed1i \u0111a h\u00f2a tan \u0111\u01b0\u1ee3c \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 (g\u1eafn v\u1edbi dung d\u1ecbch b\u00e3o h\u00f2a v\u00e0 100 gam n\u01b0\u1edbc), c\u00f2n n\u1ed3ng \u0111\u1ed9 l\u00e0 l\u01b0\u1ee3ng ch\u1ea5t tan th\u1ef1c t\u1ebf \u0111ang c\u00f3 trong m\u1ed9t dung d\u1ecbch b\u1ea5t k\u1ef3 (b\u00e3o h\u00f2a hay ch\u01b0a). M\u1ed9t dung d\u1ecbch lo\u00e3ng v\u1eabn c\u00f3 n\u1ed3ng \u0111\u1ed9, d\u00f9 c\u00f2n xa m\u1edbi \u0111\u1ea1t \u0111\u1ed9 tan t\u1ed1i \u0111a. N\u00f3i c\u00e1ch kh\u00e1c, \u0111\u1ed9 tan l\u00e0 &#8220;gi\u1edbi h\u1ea1n&#8221;, n\u1ed3ng \u0111\u1ed9 l\u00e0 &#8220;hi\u1ec7n tr\u1ea1ng&#8221;.<\/p>\n<h2>C\u00e1ch l\u00e0m ch\u1ea5t r\u1eafn tan nhanh h\u01a1n trong n\u01b0\u1edbc<\/h2>\n<p>Mu\u1ed1n ch\u1ea5t r\u1eafn tan nhanh h\u01a1n, ta c\u00f3 th\u1ec3: nghi\u1ec1n nh\u1ecf ch\u1ea5t r\u1eafn (t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac), khu\u1ea5y h\u1ed7n h\u1ee3p (gi\u00fap ch\u1ea5t tan ti\u1ebfp x\u00fac v\u1edbi dung m\u00f4i m\u1edbi li\u00ean t\u1ee5c), v\u00e0 \u0111un n\u00f3ng dung d\u1ecbch (t\u0103ng chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ph\u00e2n t\u1eed). L\u01b0u \u00fd c\u00e1c c\u00e1ch n\u00e0y l\u00e0m t\u0103ng <strong>t\u1ed1c \u0111\u1ed9 tan<\/strong>, c\u00f2n l\u01b0\u1ee3ng ch\u1ea5t t\u1ed1i \u0111a h\u00f2a tan \u0111\u01b0\u1ee3c v\u1eabn ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 tan \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3.<\/p>\n<h2>B\u00e0i t\u1eadp v\u1eadn d\u1ee5ng c\u00f3 l\u1eddi gi\u1ea3i<\/h2>\n<ul>\n<li><strong>B\u00e0i 1:<\/strong> H\u00f2a tan 20 gam \u0111\u01b0\u1eddng v\u00e0o 80 gam n\u01b0\u1edbc. T\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m. <em>L\u1eddi gi\u1ea3i:<\/em> kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch = 20 + 80 = 100 g; C% = 20\/100 \u00d7 100% = 20%.<\/li>\n<li><strong>B\u00e0i 2:<\/strong> H\u00f2a tan 0,5 mol NaCl th\u00e0nh 2 l\u00edt dung d\u1ecbch. T\u00ednh n\u1ed3ng \u0111\u1ed9 mol. <em>L\u1eddi gi\u1ea3i:<\/em> C<sub>M<\/sub> = n\/V = 0,5\/2 = 0,25 mol\/l.<\/li>\n<li><strong>B\u00e0i 3:<\/strong> H\u00f2a tan 15 gam mu\u1ed1i v\u00e0o 135 gam n\u01b0\u1edbc. T\u00ednh C%. <em>L\u1eddi gi\u1ea3i:<\/em> m<sub>dd<\/sub> = 15 + 135 = 150 g; C% = 15\/150 \u00d7 100% = 10%.<\/li>\n<li><strong>B\u00e0i 4:<\/strong> C\u1ea7n bao nhi\u00eau mol NaOH \u0111\u1ec3 pha 500 ml dung d\u1ecbch NaOH 1 mol\/l? <em>L\u1eddi gi\u1ea3i:<\/em> V = 500 ml = 0,5 l; n = C<sub>M<\/sub> \u00d7 V = 1 \u00d7 0,5 = 0,5 mol.<\/li>\n<li><strong>B\u00e0i 5:<\/strong> Trong n\u01b0\u1edbc mu\u1ed1i, \u0111\u00e2u l\u00e0 ch\u1ea5t tan, \u0111\u00e2u l\u00e0 dung m\u00f4i? <em>L\u1eddi gi\u1ea3i:<\/em> mu\u1ed1i l\u00e0 ch\u1ea5t tan, n\u01b0\u1edbc l\u00e0 dung m\u00f4i.<\/li>\n<li><strong>B\u00e0i 6 (tr\u1eafc nghi\u1ec7m):<\/strong> Dung d\u1ecbch b\u00e3o h\u00f2a c\u00f3 t\u00ednh ch\u1ea5t n\u00e0o? A. C\u00f2n h\u00f2a tan th\u00eam \u0111\u01b0\u1ee3c. B. Kh\u00f4ng h\u00f2a tan th\u00eam \u0111\u01b0\u1ee3c \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3. C. Kh\u00f4ng c\u00f3 ch\u1ea5t tan. D. Ch\u1ec9 c\u00f3 dung m\u00f4i. <em>\u0110\u00e1p \u00e1n:<\/em> B.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-570097\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-3.jpg\" alt=\"dung-dich-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/dung-dich-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>Ch\u1ea5t tan v\u00e0 dung m\u00f4i kh\u00e1c nhau th\u1ebf n\u00e0o?<\/h3>\n<p>Ch\u1ea5t tan l\u00e0 ch\u1ea5t b\u1ecb h\u00f2a tan, c\u00f2n dung m\u00f4i l\u00e0 ch\u1ea5t h\u00f2a tan ch\u1ea5t kh\u00e1c \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch. Trong n\u01b0\u1edbc \u0111\u01b0\u1eddng, \u0111\u01b0\u1eddng l\u00e0 ch\u1ea5t tan, n\u01b0\u1edbc l\u00e0 dung m\u00f4i; n\u01b0\u1edbc l\u00e0 dung m\u00f4i ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n<h3>Dung d\u1ecbch b\u00e3o h\u00f2a l\u00e0 g\u00ec?<\/h3>\n<p>Dung d\u1ecbch b\u00e3o h\u00f2a l\u00e0 dung d\u1ecbch kh\u00f4ng th\u1ec3 h\u00f2a tan th\u00eam ch\u1ea5t tan \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh. N\u1ebfu cho th\u00eam ch\u1ea5t tan, ph\u1ea7n d\u01b0 s\u1ebd kh\u00f4ng tan m\u00e0 l\u1eafng xu\u1ed1ng \u0111\u00e1y.<\/p>\n<h3>\u0110\u1ed9 tan l\u00e0 g\u00ec?<\/h3>\n<p>\u0110\u1ed9 tan c\u1ee7a m\u1ed9t ch\u1ea5t l\u00e0 s\u1ed1 gam ch\u1ea5t \u0111\u00f3 h\u00f2a tan \u0111\u01b0\u1ee3c trong 100 gam n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch b\u00e3o h\u00f2a \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh. \u0110\u1ed9 tan ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t ch\u1ea5t, dung m\u00f4i v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/p>\n<h3>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m v\u00e0 n\u1ed3ng \u0111\u1ed9 mol kh\u00e1c nhau ra sao?<\/h3>\n<p>N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (C%) cho bi\u1ebft s\u1ed1 gam ch\u1ea5t tan trong 100 gam dung d\u1ecbch, c\u00f2n n\u1ed3ng \u0111\u1ed9 mol (CM) cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan trong 1 l\u00edt dung d\u1ecbch. Hai \u0111\u1ea1i l\u01b0\u1ee3ng d\u00f9ng \u0111\u01a1n v\u1ecb v\u00e0 c\u00e1ch t\u00ednh kh\u00e1c nhau.<\/p>\n<h3>L\u00e0m sao \u0111\u1ec3 ch\u1ea5t r\u1eafn tan nhanh h\u01a1n?<\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 nghi\u1ec1n nh\u1ecf ch\u1ea5t r\u1eafn, khu\u1ea5y \u0111\u1ec1u v\u00e0 \u0111un n\u00f3ng dung d\u1ecbch. C\u00e1c c\u00e1ch n\u00e0y l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 tan, nh\u01b0ng l\u01b0\u1ee3ng ch\u1ea5t t\u1ed1i \u0111a h\u00f2a tan \u0111\u01b0\u1ee3c v\u1eabn do \u0111\u1ed9 tan \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh.<\/p>\n<h3>\u0110\u1ed9 tan v\u00e0 n\u1ed3ng \u0111\u1ed9 c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. \u0110\u1ed9 tan l\u00e0 l\u01b0\u1ee3ng ch\u1ea5t tan t\u1ed1i \u0111a h\u00f2a tan \u0111\u01b0\u1ee3c \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 (g\u1eafn v\u1edbi dung d\u1ecbch b\u00e3o h\u00f2a), c\u00f2n n\u1ed3ng \u0111\u1ed9 l\u00e0 l\u01b0\u1ee3ng ch\u1ea5t tan th\u1ef1c t\u1ebf \u0111ang c\u00f3 trong dung d\u1ecbch b\u1ea5t k\u1ef3, d\u00f9 \u0111\u00e3 b\u00e3o h\u00f2a hay ch\u01b0a.<br \/>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Ch\u1ea5t tan v\u00e0 dung m\u00f4i kh\u00e1c nhau th\u1ebf n\u00e0o?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ch\u1ea5t tan l\u00e0 ch\u1ea5t b\u1ecb h\u00f2a tan, c\u00f2n dung m\u00f4i l\u00e0 ch\u1ea5t h\u00f2a tan ch\u1ea5t kh\u00e1c \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch. Trong n\u01b0\u1edbc \u0111\u01b0\u1eddng, \u0111\u01b0\u1eddng l\u00e0 ch\u1ea5t tan, n\u01b0\u1edbc l\u00e0 dung m\u00f4i; n\u01b0\u1edbc l\u00e0 dung m\u00f4i ph\u1ed5 bi\u1ebfn nh\u1ea5t.\"}},{\"@type\":\"Question\",\"name\":\"Dung d\u1ecbch b\u00e3o h\u00f2a l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Dung d\u1ecbch b\u00e3o h\u00f2a l\u00e0 dung d\u1ecbch kh\u00f4ng th\u1ec3 h\u00f2a tan th\u00eam ch\u1ea5t tan \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh. N\u1ebfu cho th\u00eam ch\u1ea5t tan, ph\u1ea7n d\u01b0 s\u1ebd kh\u00f4ng tan m\u00e0 l\u1eafng xu\u1ed1ng \u0111\u00e1y.\"}},{\"@type\":\"Question\",\"name\":\"\u0110\u1ed9 tan l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u0110\u1ed9 tan c\u1ee7a m\u1ed9t ch\u1ea5t l\u00e0 s\u1ed1 gam ch\u1ea5t \u0111\u00f3 h\u00f2a tan \u0111\u01b0\u1ee3c trong 100 gam n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch b\u00e3o h\u00f2a \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh. \u0110\u1ed9 tan ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t ch\u1ea5t, dung m\u00f4i v\u00e0 nhi\u1ec7t \u0111\u1ed9.\"}},{\"@type\":\"Question\",\"name\":\"N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m v\u00e0 n\u1ed3ng \u0111\u1ed9 mol kh\u00e1c nhau ra sao?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m (C%) cho bi\u1ebft s\u1ed1 gam ch\u1ea5t tan trong 100 gam dung d\u1ecbch, c\u00f2n n\u1ed3ng \u0111\u1ed9 mol (CM) cho bi\u1ebft s\u1ed1 mol ch\u1ea5t tan trong 1 l\u00edt dung d\u1ecbch. Hai \u0111\u1ea1i l\u01b0\u1ee3ng d\u00f9ng \u0111\u01a1n v\u1ecb v\u00e0 c\u00e1ch t\u00ednh kh\u00e1c nhau.\"}},{\"@type\":\"Question\",\"name\":\"L\u00e0m sao \u0111\u1ec3 ch\u1ea5t r\u1eafn tan nhanh h\u01a1n?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"B\u1ea1n c\u00f3 th\u1ec3 nghi\u1ec1n nh\u1ecf ch\u1ea5t r\u1eafn, khu\u1ea5y \u0111\u1ec1u v\u00e0 \u0111un n\u00f3ng dung d\u1ecbch. C\u00e1c c\u00e1ch n\u00e0y l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 tan, nh\u01b0ng l\u01b0\u1ee3ng ch\u1ea5t t\u1ed1i \u0111a h\u00f2a tan \u0111\u01b0\u1ee3c v\u1eabn do \u0111\u1ed9 tan \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh.\"}},{\"@type\":\"Question\",\"name\":\"\u0110\u1ed9 tan v\u00e0 n\u1ed3ng \u0111\u1ed9 c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Kh\u00f4ng. \u0110\u1ed9 tan l\u00e0 l\u01b0\u1ee3ng ch\u1ea5t tan t\u1ed1i \u0111a h\u00f2a tan \u0111\u01b0\u1ee3c \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9, g\u1eafn v\u1edbi dung d\u1ecbch b\u00e3o h\u00f2a, c\u00f2n n\u1ed3ng \u0111\u1ed9 l\u00e0 l\u01b0\u1ee3ng ch\u1ea5t tan th\u1ef1c t\u1ebf \u0111ang c\u00f3 trong dung d\u1ecbch b\u1ea5t k\u1ef3, d\u00f9 \u0111\u00e3 b\u00e3o h\u00f2a hay ch\u01b0a.\"}}]}<\/script><\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>T\u00f3m l\u1ea1i, <strong>dung d\u1ecbch l\u00e0 h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t g\u1ed3m ch\u1ea5t tan v\u00e0 dung m\u00f4i, \u0111\u1eb7c tr\u01b0ng b\u1edfi \u0111\u1ed9 tan v\u00e0 n\u1ed3ng \u0111\u1ed9 (C% ho\u1eb7c C<sub>M<\/sub>)<\/strong>. N\u1eafm v\u1eefng c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y gi\u00fap b\u1ea1n gi\u1ea3i t\u1ed1t c\u00e1c b\u00e0i to\u00e1n h\u00f3a h\u1ecdc t\u1eeb l\u1edbp 8 tr\u1edf l\u00ean. \u0110\u1ec3 h\u1ecdc th\u00eam, m\u1eddi b\u1ea1n tham kh\u1ea3o c\u00e1c b\u00e0i 1 l\u00edt b\u1eb1ng bao nhi\u00eau ml, 1 kg b\u1eb1ng bao nhi\u00eau gam v\u00e0 m\u1ed9t n\u0103m \u00e1nh s\u00e1ng b\u1eb1ng bao nhi\u00eau km tr\u00ean chuy\u00ean m\u1ee5c tin t\u1ee9c c\u1ee7a Ho\u00e0ng H\u00e0 Mobile.<\/p>\n<p>Xem th\u00eam:<\/p>\n<ul>\n<li><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/phan-tu-la-gi\/\">Ph\u00e2n t\u1eed l\u00e0 g\u00ec? Ph\u00e2n t\u1eed kh\u1ed1i v\u00e0 ph\u00e2n bi\u1ec7t v\u1edbi nguy\u00ean t\u1eed<\/a><\/li>\n<li><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/nong-do-mol-la-gi\/\">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<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Dung d\u1ecbch l\u00e0 h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t c\u1ee7a ch\u1ea5t tan v\u00e0 dung m\u00f4i, trong \u0111\u00f3 c\u00e1c ph\u1ea7n t\u1eed ch\u1ea5t tan ph\u00e2n b\u1ed1 \u0111\u1ec1u trong dung m\u00f4i. V\u00ed d\u1ee5 quen thu\u1ed9c nh\u1ea5t l\u00e0 n\u01b0\u1edbc \u0111\u01b0\u1eddng: \u0111\u01b0\u1eddng l\u00e0 ch\u1ea5t tan, n\u01b0\u1edbc l\u00e0 dung m\u00f4i, c\u00f2n n\u01b0\u1edbc \u0111\u01b0\u1eddng l\u00e0 dung d\u1ecbch. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c H\u00f3a h\u1ecdc l\u1edbp [&hellip;]<\/p>\n","protected":false},"author":102,"featured_media":570101,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"dung d\u1ecbch","_yoast_wpseo_title":"Dung d\u1ecbch l\u00e0 g\u00ec? Ch\u1ea5t tan, dung m\u00f4i, \u0111\u1ed9 tan v\u00e0 n\u1ed3ng \u0111\u1ed9","_yoast_wpseo_metadesc":"Dung d\u1ecbch l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u ch\u1ea5t tan, dung m\u00f4i, \u0111\u1ed9 tan, n\u1ed3ng \u0111\u1ed9 C% v\u00e0 CM k\u00e8m b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i. Xem chi ti\u1ebft t\u1ea1i Ho\u00e0ng H\u00e0 Mobile.","footnotes":""},"categories":[3910,30453],"tags":[],"class_list":["post-570093","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>Dung d\u1ecbch l\u00e0 g\u00ec? Ch\u1ea5t tan, dung m\u00f4i, \u0111\u1ed9 tan v\u00e0 n\u1ed3ng \u0111\u1ed9<\/title>\n<meta name=\"description\" content=\"Dung d\u1ecbch l\u00e0 g\u00ec? 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