{"id":826,"date":"2021-10-07T23:33:06","date_gmt":"2021-10-07T23:33:06","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=826"},"modified":"2021-10-16T08:07:21","modified_gmt":"2021-10-16T01:07:21","slug":"oxit-axit-la-gi-hoa-8-cac-dang-bai-tap-va-loi-giai-hay-toppy","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/oxit-axit-la-gi-hoa-8-cac-dang-bai-tap-va-loi-giai-hay-toppy\/","title":{"rendered":"Oxit axit l\u00e0 g\u00ec ho\u0301a 8? C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp v\u00e0 l\u1eddi gi\u1ea3i hay"},"content":{"rendered":"\n<script type=\"text\/javascript\">\nimg_numb = 10;\n<\/script>\n\n\n\n<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p>V\u1edbi ki\u1ebfn th\u1ee9c h\u00f3a h\u1ecdc th\u00ec ch\u00fang ta c\u0169ng \u0111\u00e3 l\u00e0m quen v\u1edbi oxit axit. Khi oxit axit t\u00e1c d\u1ee5ng v\u1edbi ki\u1ec1m s\u1ebd t\u1ea1o th\u00e0nh mu\u1ed1i c\u00f2n t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc s\u1ebd t\u1ea1o ra axit. Oxit axit l\u00e0 oxit c\u1ee7a phi kim \u1ee9ng v\u1edbi kim lo\u1ea1i c\u00f3 ho\u00e1 tr\u1ecb cao ho\u1eb7c m\u1ed9t axit. V\u1eady th\u00ec l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00e2n lo\u1ea1i \u0111\u01b0\u1ee3c oxit, t\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc c\u1ee7a Oxit axit l\u00e0 g\u00ec ho\u0301a 8? Ha\u0303y cu\u0300ng ti\u0300m hi\u00ea\u0309u nhe\u0301<\/p>\n\n\n\n<p>Ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i oxit. Oxit axit l\u00e0 g\u00ec ho\u0301a 8?<\/p>\n\n\n\n<p>Trong ki\u1ebfn th\u1ee9c c\u1ee7a b\u00e0i gi\u1ea3ng Oxit axit l\u00e0 g\u00ec ho\u0301a 8, oxit axit \u0111\u01b0\u1ee3c chia 4 lo\u1ea1i v\u00e0 oxit axit l\u00e0 m\u1ed9t trong s\u1ed1 \u0111\u00f3.<\/p>\n\n\n\n<p>Ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i oxit<\/p>\n\n\n\n<p>Oxit h\u00f3a 8 l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t bao g\u1ed3m 2 nguy\u00ean t\u1ed1, trong \u0111\u00f3 c\u00f3 oxi v\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 kh\u00e1c c\u00f3 c\u00f4ng th\u1ee9c t\u1ed5ng qu\u00e1t l\u00e0 MxOy. Th\u00f4ng th\u01b0\u1eddng oxit \u0111\u01b0\u1ee3c chia th\u00e0nh 4 lo\u1ea1i l\u00e0 oxit baz\u01a1, oxit axit, oxit l\u01b0\u1ee1ng t\u00ednh v\u00e0 oxit trung t\u00ednh.<\/p>\n\n\n\n<p>Ph\u00e2n lo\u1ea1i oxit trong b\u00e0i gi\u1ea3ng oxit h\u00f3a 8<\/p>\n\n\n\n<p>Oxit axit: Lo\u1ea1i axit c\u00f3 th\u1ec3 t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi baz\u01a1 s\u1ebd t\u1ea1o th\u00e0nh mu\u1ed1i v\u00e0 n\u01b0\u1edbc, ph\u1ea3n \u1ee9ng n\u00e0y v\u1edbi n\u01b0\u1edbc t\u1ea1o ra axit t\u01b0\u01a1ng \u1ee9ng. V\u00ed d\u1ee5: P<sub>2<\/sub>O<sub>5<\/sub> \u2013 H<sub>3<\/sub>PO<sub>4<\/sub>, Mn<sub>2<\/sub>O<sub>7<\/sub> \u2013 HMnO<sub>4<\/sub>, CO<sub>2<\/sub> \u2013 H<sub>2<\/sub>CO<sub>3<\/sub><\/p>\n\n\n\n<p>Oxit baz\u01a1: L\u00e0 nh\u00f3m oxit t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi c\u00e1c axit \u0111\u1ec3 t\u1ea1o th\u00e0nh mu\u1ed1i v\u00e0 n\u01b0\u1edbc. M\u1ed9t s\u1ed1 oxit baz\u01a1 khi cho ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc s\u1ebd t\u1ea1o th\u00e0nh baz\u01a1 tan g\u1ecdi l\u00e0 ki\u1ec1m. V\u00ed d\u1ee5: CuO \u2013 Cu(OH)<sub>2<\/sub>, Fe<sub>2<\/sub>O<sub>3<\/sub> \u2013 Fe(OH)<sub>3<\/sub>, Na<sub>2<\/sub>O \u2013 NaOH, CaO \u2013 Ca(OH)<sub>2<\/sub>.<\/p>\n\n\n\n<p>Oxit l\u01b0\u1ee1ng t\u00ednh: l\u00e0 nh\u1eefng oxit c\u00f3 th\u1ec3 cho t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi c\u1ea3 c\u00e1c axit ho\u1eb7c baz\u01a1 \u0111\u1ec3 t\u1ea1o ra mu\u1ed1i v\u00e0 n\u01b0\u1edbc. V\u00ed d\u1ee5: ZnO, Al2O3.<\/p>\n\n\n\n<p>Oxit trung t\u00ednh: \u1ede trong ch\u01b0\u01a1ng tr\u00ecnh c\u1ee7a b\u00e0i gi\u1ea3ng oxit h\u00f3a 8 th\u00ec oxit trung t\u00ednh l\u00e0 nh\u1eefng lo\u1ea1i oxit kh\u00f4ng ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra baz\u01a1 hay axit v\u00e0 ch\u00fang c\u0169ng kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng v\u1edbi axit hay baz\u01a1 \u0111\u1ec3 t\u1ea1o th\u00e0nh mu\u1ed1i. V\u00ed d\u1ee5: NO (nit\u01a1 monoxit), CO (cacbon monoxit),\u2026<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/10\/unnamed-1.png\" alt=\"\" class=\"wp-image-3017\" width=\"677\" height=\"592\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/unnamed-1.png 512w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/unnamed-1-300x263.png 300w\" sizes=\"(max-width: 677px) 100vw, 677px\" \/><\/figure>\n\n\n\n<p>Kh\u00e1i ni\u1ec7m Oxit axit l\u00e0 g\u00ec ho\u0301a 8?<\/p>\n\n\n\n<p>Oxit axit l\u00e0 g\u00ec ho\u0301a 8 la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng n\u00f4i dung c\u00e2\u0300n n\u0103\u0301m trong ch\u01b0\u01a1ng tri\u0300nh ho\u0323c. Oxit axit \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 anhidrit axit, l\u00e0 khi c\u00e1c oxit t\u00e1c d\u1ee5ng v\u1edbi baz\u01a1 t\u1ea1o th\u00e0nh mu\u1ed1i h\u00f3a h\u1ecdc hay t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc t\u1ea1o th\u00e0nh axit. Th\u01b0\u1eddng l\u00e0 oxit c\u1ee7a phi kim, khi t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc v\u00e0 t\u1ea1o ra s\u1ea3n ph\u1ea9m l\u00e0 axit t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n<p>Oxit axit l\u00e0 g\u00ec ho\u0301a 8?<\/p>\n\n\n\n<p>V\u00ed d\u1ee5: SO<sub>2<\/sub> axit t\u01b0\u01a1ng \u1ee9ng l\u00e0 H<sub>2<\/sub>SO<sub>4<\/sub>, P<sub>2<\/sub>O<sub>5<\/sub> axit t\u01b0\u01a1ng \u1ee9ng l\u00e0 H<sub>3<\/sub>PO<sub>4<\/sub>, CO<sub>2<\/sub> axit t\u01b0\u01a1ng \u1ee9ng l\u00e0 axit cacbonic H<sub>2<\/sub>CO<sub>3<\/sub>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u0110\u0103ng ky\u0301 ho\u0323c th\u01b0\u0309 mi\u00ea\u0303n phi\u0301 m\u00f4n Ho\u0301a ho\u0323c 8<\/p><\/blockquote>\n\n\n\n<p>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a oxit.<\/p>\n\n\n\n<p>\u1ede h\u00f3a 8 b\u00e0i oxit c\u00f3 m\u1ed9t s\u1ed1 nh\u1eefng t\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc c\u1ee7a oxit m\u00e0 ch\u00fang ta c\u1ea7n ph\u1ea3i bi\u1ebft \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n<p>T\u00ednh tan c\u1ee7a oxit trong b\u00e0i gi\u1ea3ng oxit h\u00f3a 8<\/p>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i oxit axit h\u00f2a tan v\u00e0o n\u01b0\u1edbc s\u1ebd t\u1ea1o ra dung d\u1ecbch oxit.<\/p>\n\n\n\n<p>CO<sub>2<\/sub> + H<sub>2<\/sub>O \u21d4 H<sub>2<\/sub>CO<sub>3<\/sub><\/p>\n\n\n\n<p>SO<sub>3<\/sub> + H<sub>2<\/sub>O \u2192 H<sub>2<\/sub>SO<sub>4<\/sub><\/p>\n\n\n\n<p>N<sub>2<\/sub>O<sub>5<\/sub> + H<sub>2<\/sub>O \u2192 2HNO<sub>3<\/sub><\/p>\n\n\n\n<p>P<sub>2<\/sub>O<sub>5<\/sub> + 3H<sub>2<\/sub>O \u2192 2H<sub>3<\/sub>PO<sub>4<\/sub><\/p>\n\n\n\n<p>T\u00e1c d\u1ee5ng v\u1edbi oxit baz\u01a1 tan<\/p>\n\n\n\n<p>Khi oxit bazo ta\u0301c du\u0323ng v\u01a1\u0301i oxit axit s\u1ebd t\u1ea1o ra mu\u1ed1i<\/p>\n\n\n\n<p>P<sub>2<\/sub>O<sub>5<\/sub> + 3Na<sub>2<\/sub>O \u2192 2Na<sub>3<\/sub>PO<sub>4<\/sub><\/p>\n\n\n\n<p>SO<sub>3<\/sub> + CaO \u2192 CaSO<sub>4<\/sub><\/p>\n\n\n\n<p>T\u00e1c d\u1ee5ng v\u1edbi baz\u01a1 tan<\/p>\n\n\n\n<p>Baz\u01a1 tan l\u00e0 baz\u01a1 c\u1ee7a nh\u1eefng kim lo\u1ea1i ki\u1ec1m c\u00f9ng v\u1edbi ki\u1ec1m th\u1ed5. C\u00f3 4 baz\u01a1 tan \u0111\u00f3 l\u00e0: Ca(OH)<sub>2<\/sub> , NaOH, Ba(OH)<sub>2<\/sub> v\u00e0 KOH.<\/p>\n\n\n\n<p>T\u1ea1o ra nh\u1eefng s\u1ea3n ph\u1ea9m kh\u00e1c nhau s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ec9 l\u1ec7 mol gi\u1eefa baz\u01a1 v\u00e0 oxit axit khi tham gia ph\u1ea3n \u1ee9ng. C\u00f3 th\u1ec3 l\u00e0 mu\u1ed1i axit, mu\u1ed1i trung ho\u00e0 v\u1edbi n\u01b0\u1edbc hay l\u00e0 h\u1ed7n h\u1ee3p c\u1ee7a c\u1ea3 2 mu\u1ed1i.<\/p>\n\n\n\n<p>Oxit axit t\u00e1c d\u1ee5ng v\u1edbi baz\u01a1<\/p>\n\n\n\n<p>M\u00f4\u0323t s\u00f4\u0301 da\u0323ng b\u00e0i t\u1eadp v\u1ec1 Oxit axit l\u00e0 g\u00ec ho\u0301a 8<\/p>\n\n\n\n<p>C\u00e1c b\u01b0\u1edbc gi\u1ea3i c\u01a1 b\u1ea3n<\/p>\n\n\n\n<p>D\u1ea1ng c\u00e1c b\u00e0i to\u00e1n v\u1ec1 c\u00e1c oxit axit cho t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch ki\u1ec1m (NaOH, KOH,\u2026)<\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng:<\/p>\n\n\n\n<p>CO<sub>2<\/sub> + 2NaOH \u2192 Na<sub>2<\/sub>CO<sub>3<\/sub> + H<sub>2<\/sub>O (1)<\/p>\n\n\n\n<p>CO<sub>2<\/sub> + NaOH \u2192 NaHCO<sub>3<\/sub> (2)<\/p>\n\n\n\n<p>B\u01b0\u1edbc 1: X\u00e9t t\u1ec9 l\u1ec7 mol baz\u01a1 v\u1edbi oxit axit (k\u00fd hi\u1ec7u T)<\/p>\n\n\n\n<p>N\u1ebfu T \u2265 2: thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m l\u00e0 mu\u1ed1i trung h\u00f2a, x\u1ea3y ra ph\u1ea3n \u1ee9ng (1)<\/p>\n\n\n\n<p>N\u1ebfu 1&lt;T&lt;2: thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m l\u00e0 mu\u1ed1i axit v\u00e0 mu\u1ed1i trung h\u00f2a, x\u1ea3y ra \u0111\u1ed3ng th\u1eddi 2 ph\u1ea3n \u1ee9ng l\u00e0 (1) v\u00e0 (2)<\/p>\n\n\n\n<p>N\u1ebfu T \u2264 1: thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m l\u00e0 mu\u1ed1i axit v\u00e0 ch\u1ec9 x\u1ea3y ra ph\u1ea3n \u1ee9ng (2)<\/p>\n\n\n\n<p>B\u01b0\u1edbc 2: Vi\u1ebft PTHH<\/p>\n\n\n\n<p>B\u01b0\u1edbc 3: T\u1eeb ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc k\u1ebft h\u1ee3p \u00e1p d\u1ee5ng c\u00e1c \u0111\u1ecbnh lu\u1eadt nh\u01b0 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng, b\u1ea3o to\u00e0n nguy\u00ean t\u1ed1 \u0111\u1ec3 gi\u1ea3i \u0111\u00e1p c\u00e1c y\u00eau c\u1ea7u \u0111\u1ec1 b\u00e0i \u0111\u01b0a ra<\/p>\n\n\n\n<p>D\u1ea1ng b\u00e0i t\u1eadp oxit axit t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch ki\u1ec1m th\u1ed5 (Ca(OH)<sub>2<\/sub>, Ba(OH)<sub>2<\/sub>,\u2026)<\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n\n\n\n<p>2CO<sub>2 <\/sub>+ Ca(OH)<sub>2<\/sub> \u2192 Ca(HCO<sub>3<\/sub>)<sub>2<\/sub> (1)<\/p>\n\n\n\n<p>CO<sub>2<\/sub> + Ca(OH)<sub>2<\/sub> \u2192 CaCO<sub>3<\/sub> + H<sub>2<\/sub>O (2)<\/p>\n\n\n\n<p>C\u00e1c b\u01b0\u1edbc gi\u1ea3i t\u01b0\u01a1ng t\u1ef1 c\u00e1ch gi\u1ea3i khi oxit axit t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch ki\u1ec1m<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Vietlearn n\u1ec1n t\u1ea3ng h\u1ecdc tr\u1ef1c tuy\u1ec3n \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 AI nh\u1eafc h\u1ecdc th\u00f4ng minh.<\/p><\/blockquote>\n\n\n\n<p>B\u00e0i t\u1eadp c\u1ee5 th\u1ec3<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"703\" height=\"1024\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/10\/2012-10-16-1-0022-703x1024.jpg\" alt=\"\" class=\"wp-image-3018\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/2012-10-16-1-0022-703x1024.jpg 703w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/2012-10-16-1-0022-206x300.jpg 206w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/2012-10-16-1-0022-768x1119.jpg 768w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/2012-10-16-1-0022.jpg 793w\" sizes=\"(max-width: 703px) 100vw, 703px\" \/><\/figure>\n\n\n\n<p>B\u00e0i t\u1eadp 1: Khi cho 1,68 l\u00edt CO2 (\u0111ktc) s\u1ee5c v\u00e0o trong b\u00ecnh \u0111\u1ef1ng 250ml dung d\u1ecbch KOH d\u01b0. Bi\u1ebft th\u1ec3 t\u00edch c\u1ee7a dung d\u1ecbch tr\u01b0\u1edbc v\u00e0 sau ph\u1ea3n \u1ee9ng l\u00e0 kh\u00f4ng thay \u0111\u1ed5i. H\u00e3y t\u00ednh n\u1ed3ng \u0111\u1ed9 mol\/lit c\u1ee7a mu\u1ed1i thu \u0111\u01b0\u1ee3c sau ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n<p>L\u1eddi gi\u1ea3i:<\/p>\n\n\n\n<p>Theo b\u00e0i ra, ta c\u00f3 \u0111\u01b0\u1ee3c: n<sub>CO2<\/sub> = V\/22,4 = 1,68\/22,4 = 0,075 (mol)<\/p>\n\n\n\n<p>Do KOH d\u01b0 n\u00ean ph\u1ea3n \u1ee9ng t\u1ea1o ra s\u1ea3n ph\u1ea9m l\u00e0 mu\u1ed1i trung h\u00f2a<\/p>\n\n\n\n<p>CO<sub>2<\/sub> + 2KOH \u2192 K<sub>2<\/sub>CO<sub>3<\/sub> + H<sub>2<\/sub>O<\/p>\n\n\n\n<p>1mol 1mol<\/p>\n\n\n\n<p>0,075 x?mol<\/p>\n\n\n\n<p>T\u1eeb Ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng ta c\u00f3: nK<sub>2<\/sub>CO<sub>3<\/sub> = nCO<sub>2<\/sub> = 0,075 (mol)<\/p>\n\n\n\n<p>V\u00ec th\u1ec3 t\u00edch c\u1ee7a dung d\u1ecbch tr\u01b0\u1edbc v\u00e0 sau ph\u1ea3n \u1ee9ng kh\u00f4ng thay \u0111\u1ed5i n\u00ean Vdd = 250 ml = 0,25 l\u00edt<\/p>\n\n\n\n<p>N\u1ed3ng \u0111\u1ed9 mu\u1ed1i thu \u0111\u01b0\u1ee3c sau ph\u1ea3n \u1ee9ng s\u1ebd b\u1eb1ng: CM(K<sub>2<\/sub>CO<sub>3<\/sub>) = n\/V = 0,0075 \/ 0,25 = 0,3 (mol\/l)<\/p>\n\n\n\n<p>B\u00e0i t\u1eadp 2: S\u1eed d\u1ee5ng dung d\u1ecbch Ba(OH)<sub>2<\/sub> 0,1M 400ml \u0111\u1ec3 h\u1ea5p th\u1ee5 h\u1ebft ho\u00e0n to\u00e0n V l\u00edt kh\u00ed SO<sub>2<\/sub> (\u1edf \u0111ktc). Sau ph\u1ea3n \u1ee9ng ch\u00fang ta thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m l\u00e0 mu\u1ed1i BaSO<sub>3<\/sub> kh\u00f4ng tan. H\u00e3y t\u00ednh gi\u00e1 tr\u1ecb b\u1eb1ng s\u1ed1 c\u1ee7a V.<\/p>\n\n\n\n<p>L\u1eddi gi\u1ea3i<\/p>\n\n\n\n<p>Theo b\u00e0i ra, ta c\u00f3: VBa(OH)<sub>2<\/sub> = 0,4 (l)<\/p>\n\n\n\n<p>nBa(OH)<sub>2<\/sub> = V.CM = 0,4. 0,1= 0,04 (mol)<\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng:<\/p>\n\n\n\n<p>Ba(OH)<sub>2 <\/sub>+ SO<sub>2<\/sub> \u2192 BaSO<sub>3<\/sub> + H<sub>2<\/sub>O<\/p>\n\n\n\n<p>1 mol 1 mol<\/p>\n\n\n\n<p>X?mol 0,04 mol<\/p>\n\n\n\n<p>Theo ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng ta c\u00f3: nSO<sub>2<\/sub> = nBa(OH)<sub>2<\/sub> = 0,04 (mol)<\/p>\n\n\n\n<p>V<sub>SO2<\/sub> = 22,4. n<sub>CO2<\/sub>= 22,4 . 0,04 = 0,896 (l\u00edt)<\/p>\n\n\n\n<p>H\u01b0\u1edbng d\u1eabn gi\u1ea3i b\u00e0i t\u1eadp v\u1ec1 oxit axit<\/p>\n\n\n\n<p>D\u1ea1ng b\u00e0i t\u1eadp nh\u1eadn bi\u1ebft Oxit axit l\u00e0 g\u00ec ho\u0301a 8<\/p>\n\n\n\n<p>C\u00e2u 1: Oxit n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 oxit axit?<\/p>\n\n\n\n<p>Fe<sub>2<\/sub>O<sub>3<\/sub><\/p>\n\n\n\n<p>Cr<sub>2<\/sub>O<sub>3<\/sub><\/p>\n\n\n\n<p>CrO<sub>3<\/sub><\/p>\n\n\n\n<p>FeO<\/p>\n\n\n\n<p>L\u1eddi gi\u1ea3i:<\/p>\n\n\n\n<p>\u2013 Ta c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c Fe<sub>2<\/sub>O<sub>3<\/sub> v\u00e0 FeO l\u00e0 c\u00e1c oxit baz\u01a1<\/p>\n\n\n\n<p>\u2013 C\u00f2n Cr2O3 l\u00e0 oxit l\u01b0\u1ee1ng t\u00ednh<\/p>\n\n\n\n<p>=> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 C \u2013 CrO<sub>3<\/sub><\/p>\n\n\n\n<p>C\u00e2u 2: Oxit n\u00e0o l\u00e0 oxit axit?<\/p>\n\n\n\n<p>P<sub>2<\/sub>O<sub>5<\/sub><\/p>\n\n\n\n<p>CaO<\/p>\n\n\n\n<p>CO<\/p>\n\n\n\n<p>MgO<\/p>\n\n\n\n<p>L\u1eddi gi\u1ea3i:<\/p>\n\n\n\n<p>\u2013 Oxit baz\u01a1 l\u00e0 lo\u1ea1i oxit c\u1ee7a kim lo\u1ea1i v\u00e0 n\u00f3 t\u01b0\u01a1ng \u1ee9ng v\u1edbi 1 baz\u01a1. V\u00ed d\u1ee5: Fe<sub>2<\/sub>O<sub>3<\/sub>, CaO\u2026<\/p>\n\n\n\n<p>\u2013 Oxit axit l\u00e0 lo\u1ea1i oxit c\u1ee7a phi kim v\u00e0 n\u00f3 t\u01b0\u01a1ng \u1ee9ng v\u1edbi 1 axit. V\u00ed d\u1ee5: P<sub>2<\/sub>O<sub>5<\/sub>, N<sub>2<\/sub>O<sub>5<\/sub>\u2026<\/p>\n\n\n\n<p>=> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 A \u2013 P<sub>2<\/sub>O<sub>5<\/sub><\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 Oxit axit l\u00e0 g\u00ec ho\u0301a 8, th\u00f4ng tin v\u00ea\u0300 1 s\u00f4\u0301 ch\u00e2\u0301t li\u00ean quan c\u00f9ng nh\u1eefng d\u1ea1ng b\u00e0i t\u1eadp v\u1ec1 oxit 8. Hy v\u1ecdng r\u1eb1ng s\u1ebd gi\u00fap \u00edch cho c\u00e1c b\u1ea1n khi <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> c\u0169ng nh\u01b0 \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c v\u00e0o trong \u0111\u1eddi s\u1ed1ng.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"730\" height=\"1018\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/10\/Giai-bai-tap-Hoa-hoc-lop-9-Bai-3-Tinh-chat-hoa-hoc-cua-axit-2JPG.jpg\" alt=\"\" class=\"wp-image-3019\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/Giai-bai-tap-Hoa-hoc-lop-9-Bai-3-Tinh-chat-hoa-hoc-cua-axit-2JPG.jpg 730w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/10\/Giai-bai-tap-Hoa-hoc-lop-9-Bai-3-Tinh-chat-hoa-hoc-cua-axit-2JPG-215x300.jpg 215w\" sizes=\"(max-width: 730px) 100vw, 730px\" \/><\/figure>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn V\u1edbi ki\u1ebfn th\u1ee9c h\u00f3a h\u1ecdc th\u00ec ch\u00fang ta c\u0169ng \u0111\u00e3 l\u00e0m quen v\u1edbi oxit axit. Khi oxit axit t\u00e1c d\u1ee5ng v\u1edbi ki\u1ec1m s\u1ebd t\u1ea1o th\u00e0nh mu\u1ed1i c\u00f2n t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc s\u1ebd t\u1ea1o ra axit. Oxit axit l\u00e0 oxit c\u1ee7a phi kim \u1ee9ng v\u1edbi kim lo\u1ea1i c\u00f3 ho\u00e1 tr\u1ecb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3016,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,4],"tags":[],"class_list":["post-826","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoa-hoc","category-trung-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=826"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/826\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media\/3016"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}