{"id":794,"date":"2021-10-07T23:29:41","date_gmt":"2021-10-07T23:29:41","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=794"},"modified":"2021-10-14T22:11:39","modified_gmt":"2021-10-14T15:11:39","slug":"tinh-chat-hoa-hoc-cua-muoi-lop-9-cac-dang-bai-hay-gap","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tinh-chat-hoa-hoc-cua-muoi-lop-9-cac-dang-bai-hay-gap\/","title":{"rendered":"T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i l\u1edbp 9 \u2013 C\u00e1c d\u1ea1ng b\u00e0i hay g\u1eb7p"},"content":{"rendered":"\n<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p>Trong \u0111\u1eddi s\u1ed1ng, khi n\u00f3i \u0111\u1ebfn mu\u1ed1i thi\u0300 \u0111o\u0301 la\u0300 m\u00f4\u0323t loa\u0323i gia vi\u0323 co\u0301 vi\u0323 m\u0103\u0323n. C\u00f4ng th\u1ee9c c\u1ee7a mu\u1ed1i \u0103n l\u00e0 NaCl (Natri Clorua). Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi h\u00f3a h\u1ecdc, mu\u1ed1i c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, c\u01a1 ch\u1ebf t\u1ea1o ra mu\u1ed1i trong h\u00f3a h\u1ecdc l\u00e0 t\u1eeb m\u1ed9t hay nhi\u1ec1u nguy\u00ean t\u1eed kim lo\u1ea1i ho\u1eb7c cation NH4+ v\u00e0 li\u00ean k\u1ebft v\u1edbi m\u1ed9t hay nhi\u1ec1u g\u1ed1c axit kh\u00e1c nhau. V\u1eady t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i l\u00e0 g\u00ec?<\/p>\n\n\n\n<p>B\u00e0i 9 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i<\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i l\u1edbp 9 nh\u01b0 th\u00ea\u0301 na\u0300o?<\/p>\n\n\n\n<p>Mu\u00f4\u0301i co\u0301 th\u00ea\u0309 la\u0300m \u0111\u00f4\u0309i ma\u0300u ch\u00e2\u0301t chi\u0309 thi\u0323 ma\u0300u<\/p>\n\n\n\n<p>Qu\u1ef3 t\u00edm chuy\u1ec3n sang m\u00e0u \u0111\u1ecf khi:<\/p>\n\n\n\n<p>Mu\u1ed1i c\u00f3 t\u00ednh axit;<\/p>\n\n\n\n<p>Khi kim lo\u1ea1i y\u1ebfu k\u1ebft h\u1ee3p v\u1edbi g\u1ed1c axit m\u1ea1nh.<\/p>\n\n\n\n<p>Qu\u1ef3 t\u00edm chuy\u1ec3n sang m\u00e0u xanh khi:<\/p>\n\n\n\n<p>Mu\u1ed1i c\u00f3 t\u00ednh bazo m\u1ea1nh h\u01a1n;<\/p>\n\n\n\n<p>Khi kim lo\u1ea1i m\u1ea1nh k\u1ebft h\u1ee3p v\u1edbi g\u1ed1c axit y\u1ebfu.<\/p>\n\n\n\n<p>Qu\u1ef3 t\u00edm kh\u00f4ng chuy\u1ec3n m\u00e0u khi:<\/p>\n\n\n\n<p>Mu\u1ed1i trung t\u00ednh;<\/p>\n\n\n\n<p>Khi kim lo\u1ea1i m\u1ea1nh k\u1ebft h\u1ee3p v\u1edbi g\u1ed1c axit m\u1ea1nh ho\u1eb7c t\u00ednh ch\u1ea5t c\u1ee7a c\u1ea3 2 ngang b\u1eb1ng nhau.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Tham kha\u0309o: \u01af\u0301ng du\u0323ng ho\u0323c tr\u01b0\u0323c tuy\u00ea\u0301n ha\u0300ng \u0111\u00e2\u0300u Vi\u00ea\u0323t Nam \u2013 Vietlearn<\/p><\/blockquote>\n\n\n\n<p>Khi mu\u1ed1i t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i<\/p>\n\n\n\n<p>Mu\u1ed1i t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i s\u1ebd t\u1ea1o n\u00ean mu\u1ed1i m\u1edbi v\u00e0 kim lo\u1ea1i m\u1edbi.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 minh h\u1ecda:<\/p>\n\n\n\n<p>Fe + CuSO4 \u2192 FeSO4 + Cu\u2193<\/p>\n\n\n\n<p>Cu + 2AgNO3 \u2192 Cu(NO3)2 + 2Ag\u2193<\/p>\n\n\n\n<p>Khi mu\u1ed1i t\u00e1c d\u1ee5ng v\u1edbi axit<\/p>\n\n\n\n<p>Mu\u1ed1i khi t\u00e1c d\u1ee5ng v\u1edbi axit s\u1ebd t\u1ea1o th\u00e0nh axit m\u1edbi v\u00e0 mu\u1ed1i m\u1edbi. Tuy nhi\u00ean, n\u1ebfu th\u00e0nh ph\u1ea9m c\u1ee7a ph\u1ea3n \u1ee9ng khi t\u1ea1o ra l\u00e0 axit y\u1ebfu th\u00ec kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c m\u00e0 s\u1ebd t\u1ef1 chuy\u1ec3n h\u00f3a th\u00e0nh ch\u1ea5t kh\u00e1c b\u1ec1n h\u01a1n.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 minh h\u1ecda:<\/p>\n\n\n\n<p>AgNO3 + HCl \u2192 AgCl \u2193 + HNO3<\/p>\n\n\n\n<p>CaCO3 + 2HCl \u2192 CaCl2 + CO2\u2191 + H2O<\/p>\n\n\n\n<p>Khi mu\u1ed1i t\u00e1c d\u1ee5ng v\u1edbi mu\u1ed1i<\/p>\n\n\n\n<p>Khi 2 mu\u1ed1i t\u00e1c d\u1ee5ng v\u1edbi nhau s\u1ebd t\u1ea1o n\u00ean 2 lo\u1ea1i mu\u1ed1i m\u1edbi.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 minh h\u1ecda: AgNO3 + NaCl \u2192 NaNO3 + AgCl\u2193. Ph\u1ea3n \u1ee9ng n\u00e0y l\u00e0m xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng do AgCl sinh ra.<\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i<\/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 t\u01b0\u0300 l\u01a1\u0301p 8 \u0111\u00ea\u0301n l\u01a1\u0301p 12<\/p><\/blockquote>\n\n\n\n<p>Khi mu\u1ed1i t\u00e1c d\u1ee5ng v\u1edbi baz\u01a1<\/p>\n\n\n\n<p>Mu\u1ed1i m\u1edbi v\u00e0 bazo m\u1edbi s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra khi mu\u1ed1i ph\u1ea3n \u1ee9ng v\u1edbi baz\u01a1.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 minh h\u1ecda: Na2CO3 + Ba(OH)2 \u2192 2NaOH + BaCO3\u2193<\/p>\n\n\n\n<p>Ph\u1ea3n \u1ee9ng h\u1ee7y mu\u1ed1i<\/p>\n\n\n\n<p>KClO3, KMnO4, CaCO3, l\u00e0 nh\u1eefng lo\u1ea1i mu\u1ed1i d\u1ec5 b\u1ecb ph\u00e2n h\u1ee7y \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 minh h\u1ecda:<\/p>\n\n\n\n<p>2KClO3 t0\u2192 2KCl + 3O2<\/p>\n\n\n\n<p>CaCO3 \u2192 CaO + CO2<\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i Axit<\/p>\n\n\n\n<p>Theo \u0111\u1ecbnh ngh\u0129a trong S\u00e1ch Gi\u00e1o Khoa, mu\u1ed1i axit v\u1eeba s\u1edf h\u1eefu t\u00ednh ch\u1ea5t c\u1ee7a axit \u0111\u1ed3ng th\u1eddi s\u1edf h\u1eefu t\u00ednh ch\u1ea5t c\u1ee7a mu\u1ed1i. V\u00ec th\u1ebf kh\u1ea3 n\u0103ng tham gia ph\u1ea3n \u1ee9ng c\u1ee7a mu\u1ed1i axit c\u0169ng \u0111a d\u1ea1ng h\u01a1n r\u1ea5t nhi\u1ec1u. Tuy nhi\u00ean, ch\u01b0\u01a1ng tr\u00ecnh t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i l\u1edbp 9 v\u1eabn ch\u01b0a t\u00ecm hi\u1ec3u chuy\u00ean s\u00e2u v\u1ec1 mu\u1ed1i axit.<\/p>\n\n\n\n<p>T\u00ednh h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i axit<\/p>\n\n\n\n<p>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i NaCl<\/p>\n\n\n\n<p>Mu\u1ed1i NaCl l\u00e0 ch\u1ea5t \u0111i\u1ec7n li c\u1ef1c m\u1ea1nh, c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n li ho\u00e0n to\u00e0n trong n\u01b0\u1edbc, t\u1ea1o ra c\u00e1c ion \u00e2m v\u00e0 ion d\u01b0\u01a1ng.<\/p>\n\n\n\n<p>Do l\u00e0 mu\u1ed1i c\u1ee7a baz\u01a1 kh\u00e1 m\u1ea1nh v\u00e0 axit m\u1ea1nh n\u00ean n\u00f3 mang t\u00ednh trung t\u00ednh, v\u00ec th\u1ebf NaCl t\u01b0\u01a1ng \u0111\u1ed1i tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc.<\/p>\n\n\n\n<p>NaCl c\u00f3 th\u1ec3 t\u00e1c d\u1ee5ng v\u1edbi Ag+: NaCl + AgNO3 -&gt; AgCl + NaNO3 (\u0111\u00e2y c\u0169ng l\u00e0 ph\u1ea3n \u1ee9ng trao \u0111\u1ed5i).<\/p>\n\n\n\n<p>T\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra HCl.<\/p>\n\n\n\n<p>C\u00e1c ph\u1ea3n \u1ee9ng trao \u0111\u1ed5i trong dung d\u1ecbch c\u1ee7a mu\u1ed1i<\/p>\n\n\n\n<p>Ph\u1ea3n \u1ee9ng trao \u0111\u1ed5i l\u00e0 g\u00ec?<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc m\u00e0 trong \u0111\u00f3 2 h\u1ee3p ch\u1ea5t tham gia trao \u0111\u1ed5i v\u1edbi nhau th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o n\u00ean ch\u00fang \u0111\u1ec3 t\u1ea1o ra nh\u1eefng h\u1ee3p ch\u1ea5t m\u1edbi.<\/p>\n\n\n\n<p>\u0110i\u1ec1u ki\u1ec7n \u0111\u1ec3 ph\u1ea3n \u1ee9ng trao \u0111\u1ed5i x\u1ea3y ra<\/p>\n\n\n\n<p>Ph\u1ea3n \u1ee9ng trao \u0111\u1ed5i trong h\u00f3a h\u1ecdc ch\u1ec9 c\u00f3 th\u1ec3 x\u1ea3y ra khi s\u1ea3n ph\u1ea9m t\u1ea1o th\u00e0nh c\u00f3 ch\u1ea5t kh\u00f4ng tan ho\u1eb7c l\u00e0 ch\u1ea5t kh\u00ed.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 minh h\u1ecda:<\/p>\n\n\n\n<p>CuSO4 + 2NaOH \u2192 Na2SO4 + Cu(OH)2\u2193<\/p>\n\n\n\n<p>K2SO4 + NaOH: Ph\u1ea3n \u1ee9ng n\u00e0y kh\u00f4ng th\u1ec3 x\u1ea3y ra.<\/p>\n\n\n\n<p>L\u01b0u \u00fd: Ph\u1ea3n \u1ee9ng trung h\u00f2a c\u0169ng l\u00e0 lo\u1ea1i ph\u1ea3n \u1ee9ng trao \u0111\u1ed5i v\u00e0 lu\u00f4n x\u1ea3y ra. V\u00ed d\u1ee5 minh h\u1ecda: H2SO4 + 2NaOH \u2192 Na2SO4 + 2H2O<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>B\u00e2\u0323t mi\u0301 ca\u0301ch \u0111a\u0301nh bay n\u00f4\u0303i s\u01a1\u0323 m\u00f4n Ho\u0301a ho\u0323c \u2013 Vietlearn<\/p><\/blockquote>\n\n\n\n<p>\u1ee8ng d\u1ee5ng t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i \u0111\u1ec3 gi\u1ea3i b\u00e0i t\u1eadp<\/p>\n\n\n\n<p>C\u00e1ch gi\u1ea3i b\u00e0i t\u1eadp ch\u1ea5t d\u01b0, ch\u1ea5t h\u1ebft trong ph\u1ea3n \u1ee9ng c\u1ee7a mu\u1ed1i<\/p>\n\n\n\n<p>Do t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i kh\u00e1 ph\u1ee9c t\u1ea1p, v\u00ec th\u1ebf c\u00e1c b\u1ea1n <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> c\u1ea7n ph\u1ea3i l\u00e0m b\u00e0i t\u1eadp th\u1eadt nhi\u1ec1u \u0111\u1ec3 ghi nh\u1edb l\u00fd thuy\u1ebft l\u00e2u h\u01a1n.<\/p>\n\n\n\n<p>D\u1ea1ng b\u00e0i: Ch\u1ea5t d\u01b0 ch\u1ea5t h\u1ebft<\/p>\n\n\n\n<p>B\u01b0\u1edbc 1: T\u00ednh s\u1ed1 mol m\u1ed7i th\u1ea5y tham gia ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n<p>B\u01b0\u1edbc 2: Ta c\u00f3 2 t\u1ec9 l\u1ec7:<\/p>\n\n\n\n<p>A= mol ch\u1ea5t X trong \u0111\u1ec1 b\u00e0i\/ h\u1ec7 s\u1ed1 ch\u1ea5t X trong ph\u1ea3n \u1ee9ng<\/p>\n\n\n\n<p>B= mol ch\u1ea5t Y trong \u0111\u1ec1 b\u00e0i\/ h\u1ec7 s\u1ed1 ch\u1ea5t Y trong ph\u1ea3n \u1ee9ng<\/p>\n\n\n\n<p>=&gt; So s\u00e1nh A v\u00e0 B, s\u1ed1 n\u00e0o c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n th\u00ec ch\u1ea5t \u0111\u00f3 \u0111\u00e3 ph\u1ea3n \u1ee9ng h\u1ebft.<\/p>\n\n\n\n<p>B\u01b0\u1edbc 3: T\u00ednh l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t kh\u00e1c theo ph\u1ea3n \u1ee9ng h\u1ebft.<\/p>\n\n\n\n<p>B\u01b0\u1edbc 4: T\u00ednh l\u01b0\u1ee3ng ch\u1ea5t d\u01b0 b\u1eb1ng c\u00e1ch l\u1ea5y l\u01b0\u1ee3ng ch\u1ea5t ban \u0111\u1ea7u tr\u1eeb \u0111i l\u01b0\u1ee3ng ch\u1ea5t \u0111\u00e3 tham gia ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n<p>C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp th\u01b0\u1eddng g\u1eb7p v\u1ec1 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i<\/p>\n\n\n\n<p>D\u1ea1ng b\u00e0i nh\u1eadn bi\u1ebft ch\u1ea5t<\/p>\n\n\n\n<p>a\/ H\u00e3y nh\u1eadn bi\u1ebft 3 \u1ed1ng nghi\u1ec7m c\u00f3 ch\u1ee9a NaCl, NaOH, Na2SO4 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc.<\/p>\n\n\n\n<p>b\/ C\u00f3 6 l\u1ecd m\u1ea5t nh\u00e3n ch\u1ee9a c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc sau: HCl, H2SO4, CaCl2, Na2SO4, Ba(OH)2, KOH. h\u00e3y d\u00f9ng qu\u1ef3 t\u00edm \u0111\u1ec3 nh\u1eadn bi\u1ebft.<\/p>\n\n\n\n<p>C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp th\u01b0\u1eddng g\u1eb7p<\/p>\n\n\n\n<p>D\u1ea1ng b\u00e0i ho\u00e0n th\u00e0nh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/p>\n\n\n\n<p>Ho\u00e0n th\u00e0nh c\u00e1c ph\u1ea3n \u1ee9ng sau (n\u1ebfu c\u00f3) v\u00e0 cho bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng n\u00e0y c\u00f3 ph\u1ea3i ph\u1ea3n \u1ee9ng trao \u0111\u1ed5i kh\u00f4ng<\/p>\n\n\n\n<p>a\/ MgCl2 + NaNO3 \u2026<\/p>\n\n\n\n<p>b\/ MgCl2 + NaNO3 \u2026<\/p>\n\n\n\n<p>c)\u2026 + 2HNO3 \u2192 Ca(NO3)2 + 2H2O<\/p>\n\n\n\n<p>D\u1ea1ng b\u00e0i s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng<\/p>\n\n\n\n<p>D\u1ea1ng b\u00e0i n\u00e0y xu\u1ea5t hi\u1ec7n kh\u00e1 nhi\u1ec1u trong c\u00e1c b\u00e0i ki\u1ec3m tra. Tuy nhi\u00ean, n\u1ebfu l\u00e0m \u0111\u01b0\u1ee3c b\u00e0i n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 ghi nh\u1edb \u0111\u01b0\u1ee3c t\u1ea5t t\u1ea7n t\u1eadt t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i.<\/p>\n\n\n\n<p>a\/ Fe(NO3)3 \u2013&gt; Fe(OH)3 \u2013&gt; Fe2O3 \u2013&gt; FeCl3 \u2013&gt; Fe \u2013&gt; FeCl2 \u2013&gt; AgCl<\/p>\n\n\n\n<p>b\/ Na \u2013&gt; Na2O \u2013&gt; Na2SO3 \u2013&gt; NaCl \u2013&gt; NaOH \u2013&gt; Fe(OH)3 \u2013&gt; Fe2O3 \u2013&gt; Fe2(SO4)3<\/p>\n\n\n\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c c\u00f4 \u0111\u1ecdng nh\u1ea5t v\u1ec1 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i. V\u00ec mu\u1ed1i c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1 \u0111a d\u1ea1ng n\u00ean s\u1ebd l\u00e0m c\u00e1c b\u1ea1n l\u00fang t\u00fang khi l\u00e0m b\u00e0i t\u1eadp, do \u0111\u00f3 h\u00e3y d\u00e0nh th\u1eddi gian \u0111\u1ec3 l\u00e0m b\u00e0i t\u1eadp nhi\u1ec1u h\u01a1n.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u1eadn bi<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Trong \u0111\u1eddi s\u1ed1ng, khi n\u00f3i \u0111\u1ebfn mu\u1ed1i thi\u0300 \u0111o\u0301 la\u0300 m\u00f4\u0323t loa\u0323i gia vi\u0323 co\u0301 vi\u0323 m\u0103\u0323n. C\u00f4ng th\u1ee9c c\u1ee7a mu\u1ed1i \u0103n l\u00e0 NaCl (Natri Clorua). Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi h\u00f3a h\u1ecdc, mu\u1ed1i c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, c\u01a1 ch\u1ebf t\u1ea1o ra mu\u1ed1i trong h\u00f3a h\u1ecdc l\u00e0 t\u1eeb m\u1ed9t [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,4],"tags":[],"class_list":["post-794","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-trung-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/794","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=794"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/794\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}