{"id":1049,"date":"2021-10-08T13:06:42","date_gmt":"2021-10-08T13:06:42","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=1049"},"modified":"2021-10-14T22:07:21","modified_gmt":"2021-10-14T15:07:21","slug":"axit-photphoric-va-muoi-photphat-hoc-hoa-khong-he-kho","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/axit-photphoric-va-muoi-photphat-hoc-hoa-khong-he-kho\/","title":{"rendered":"Axit photphoric v\u00e0 mu\u1ed1i photphat \u2013 H\u1ecdc h\u00f3a kh\u00f4ng h\u1ec1 kh\u00f3!"},"content":{"rendered":"\n

Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n

Trong b\u00e0i vi\u1ebft h\u00f4m nay Vietlearn s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t lo\u1ea1i axit c\u00f3 c\u00f4ng d\u1ee5ng v\u00f4 c\u00f9ng tuy\u1ec7t v\u1eddi, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi \u0111\u00f3 l\u00e0 Axit photphoric v\u00e0 mu\u1ed1i photphat. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd \u0111em \u0111\u1ebfn cho c\u00e1c b\u1ea1n h\u1ecdc sinh<\/a> nh\u1eefng th\u00f4ng b\u1ed5 \u00edch v\u00e0 v\u00f4 c\u00f9ng th\u00fa v\u1ecb v\u1ec1 lo\u1ea1i axit v\u00f4 c\u00f9ng n\u1ed5i b\u1eadt n\u00e0y. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 b\u00e0i vi\u1ebft ngay th\u00f4i n\u00e0o!<\/p>\n\n\n\n

Axit photphoric v\u00e0 mu\u1ed1i photphat<\/p>\n\n\n\n

Axit photphoric<\/p>\n\n\n\n

Nh\u1eefng t\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a axit photphoric v\u00e0 mu\u1ed1i photphat<\/p>\n\n\n\n

Axit photphoric l\u00e0 m\u1ed9t lo\u1ea1i axit c\u00f3 t\u00ednh oxi h\u00f3a trung b\u00ecnh c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc l\u00e0 H3PO4, c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1c t\u00ean g\u1ecdi kh\u00e1c nh\u01b0 Axit orthophotphoric, trihi\u0111roxi\u0111ioxi\u0111ophotpho, axit phosphoric. C\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a lo\u1ea1i axit n\u00e0y bao g\u1ed3m t\u1ee9 di\u1ec7n PO4 li\u00ean k\u1ebft v\u1edbi nhau b\u1eb1ng li\u00ean k\u1ebft hydro v\u00e0 \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i trong dung d\u1ecbch \u0111\u1eadm \u0111\u1eb7c c\u1ee7a axit trong n\u01b0\u1edbc gi\u00fap cho dung d\u1ecbch gi\u1ed1ng nh\u01b0 n\u01b0\u1edbc \u0111\u01b0\u1eddng.<\/p>\n\n\n\n

T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 photpho nguy\u00ean t\u1eed kh\u1ed1i v\u00e0 Silic v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a silic \u2013 L\u00fd thuy\u1ebft v\u00e0 t\u00ednh \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf<\/p><\/blockquote>\n\n\n\n

T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/p>\n\n\n\n

Trong dung d\u1ecbch axit H3PO4 s\u1ebd ph\u00e2n ly thu\u1eadn theo nguy\u00ean t\u1eafc 3 n\u1ea5c<\/p>\n\n\n\n

             H3PO4 \u2194 H+ + H2PO4\u2013\n\n             H2PO4\u2013 \u2194 H+ + HPO42-\n\n             HPO42- \u2194 H+ + PO43-<\/code><\/pre>\n\n\n\n
Qu\u1ef3 t\u00edm s\u1ebd chuy\u1ec3n qua m\u00e0u \u0111\u1ecf khi ti\u1ebfp x\u00fac v\u1edbi H3PO4<\/p>\n\n\n\n
H3PO4 t\u00e1c d\u1ee5ng v\u1edbi oxit baz\u01a1 s\u1ebd t\u1ea1o th\u00e0nh mu\u1ed1i v\u00e0 n\u01b0\u1edbc<\/p>\n\n\n\n
             2H3PO4 + 3Na2O \u2192 2Na3PO4 + 3H2O<\/code><\/pre>\n\n\n\n
T\u00e1c d\u1ee5ng v\u1edbi baz\u01a1 t\u1ea1o th\u00e0nh mu\u1ed1i v\u00e0 n\u01b0\u1edbc, tuy theo t\u1ef7 l\u1ec7 m\u00e0 c\u00e1c mu\u1ed1i t\u1ea1o th\u00e0nh l\u00e0 kh\u00e1c nhau<\/p>\n\n\n\n
              KOH + H3PO4 \u2192 KH2PO4 + H2O\n\n              2KOH + H3PO4 \u2192 K2HPO4 + 2H2O\n\n              3KOH + H3PO4 \u2192 K3PO4 + 3H2O<\/code><\/pre>\n\n\n\n
T\u00e1c d\u1ee5ng v\u1edbi c\u00e1c kim lo\u1ea1i \u0111\u1ee9ng tr\u01b0\u1edbc H2 s\u1ebd gi\u1ea3i ph\u00f3ng ra H2 v\u00e0 mu\u1ed1i<\/p>\n\n\n\n
              2H3PO4 + 3Mg \u2192 Mg3(PO4)2 + 3H2<\/code><\/pre>\n\n\n\n
T\u00e1c d\u1ee5ng v\u1edbi mu\u1ed1i s\u1ebd t\u1ea1o th\u00e0nh mu\u1ed1i m\u1edbi v\u00e0 axit m\u1edbi<\/p>\n\n\n\n
                 H3PO4 + 3AgNO3 \u2192 3HNO3 + Ag3PO4<\/code><\/pre>\n\n\n\n
C\u00f3 t\u00ednh oxi h\u00f3a \u2013 kh\u1eed v\u1edbi P c\u00f3 m\u1ee9c l\u1edbn nh\u1ea5t l\u00e0 +5<\/p>\n\n\n\n
H3PO4 d\u01b0\u1edbi t\u00e1c d\u1ee5ng nhi\u1ec7t s\u1ebd x\u1ea3y ra c\u00e1c ph\u1ea3n \u1ee9ng nhi\u1ec7t ph\u00e2n nh\u01b0:<\/p>\n\n\n\n
              T\u00e1c \u0111\u1ed9ng nhi\u1ec7t trong kho\u1ea3ng 200 \u2013 250 \u0111\u1ed9 C: 2H3PO4 \u2192 H4P2O7 + H2O\n\n              T\u00e1c \u0111\u1ed9ng nhi\u1ec7t trong kho\u1ea3ng 400 \u2013 500 \u0111\u1ed9 C: H4P2O7 \u2192 2HPO3 + H2O<\/code><\/pre>\n\n\n\n
H\u1ee3p ch\u1ea5t ph\u00e2n t\u1eed H3PO4<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/p>\n\n\n\n
D\u1ea1ng t\u1ed3n t\u1ea1i: T\u1ed3n t\u1ea1i \u1edf hai d\u1ea1ng \u0111\u00f3 l\u00e0 ch\u1ea5t r\u1eafn tinh th\u1ec3 kh\u00f4ng m\u00e0u v\u00e0 ch\u1ea5t l\u1ecfng trong su\u1ed1t kh\u00f4ng m\u00e0u.<\/p>\n\n\n\n
Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang 1,87 g\/cm3<\/p>\n\n\n\n
Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y = 42,35oC (d\u1ea1ng H3PO4.H2O c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y = 29,32oC)<\/p>\n\n\n\n
Ph\u00e2n h\u1ee7y \u1edf 213oC<\/p>\n\n\n\n
Tan trong etanol, n\u01b0\u1edbc v\u1edbi b\u1ea5t k\u00ec t\u1ec9 l\u1ec7 n\u00e0o \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch b\u1eb1ng s\u1ef1 t\u1ea1o ra li\u00ean k\u1ebft hydro<\/p>\n\n\n\n
Axit photphoric l\u00e0 axit m\u1ea1nh hay y\u1ebfu? Th\u1ef1c t\u1ebf, Axit photphoric l\u00e0 axit ba n\u1ea5c v\u1edbi \u0111\u1ed9 m\u1ea1nh \u1edf m\u1ee9c trung b\u00ecnh.<\/p>\n\n\n\n
Mu\u1ed1i photphat<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t v\u1eadt l\u00fd:<\/p>\n\n\n\n
C\u00f3 3 lo\u1ea1i: PO43-, HPO42- v\u00e0 H2PO4\u2013.<\/p>\n\n\n\n
T\u1ea5t c\u1ea3 mu\u1ed1i H2PO4\u2013 \u0111\u1ec1u tan<\/p>\n\n\n\n
Mu\u1ed1i PO43- v\u00e0 HPO42- ch\u1ec9 c\u00f3 mu\u1ed1i c\u1ee7a kim lo\u1ea1i ki\u1ec1m v\u00e0 amoni m\u1edbi tan \u0111\u01b0\u1ee3c<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc:<\/p>\n\n\n\n
Mu\u1ed1i photphat c\u00f3 \u0111\u1ea7y \u0111\u1ee7 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a mu\u1ed1i<\/p>\n\n\n\n
C\u00e1c mu\u1ed1i photphat c\u1ee7a k\u00ecm lo\u1ea1i ki\u1ec1m d\u1ec5 b\u1ecb th\u1ee7y ph\u00e2n trong dung d\u1ecbch<\/p>\n\n\n\n
L\u00e0 mu\u1ed1i c\u1ee7a axit n\u00ean c\u00f3 t\u00ednh ch\u1ea5t c\u1ee7a axit<\/p>\n\n\n\n
T\u00e1c h\u1ea1i c\u1ee7a axit photphoric v\u00e0 mu\u1ed1i photphat<\/p>\n\n\n\n
Axit photphoric \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong \u0111\u1ed3 u\u1ed1ng cola<\/p>\n\n\n\n
M\u1ed9t s\u1ed1 t\u00e1c h\u1ea1i c\u1ee7a axit photphoric v\u00e0 mu\u1ed1i photphat m\u00e0 c\u00e1c b\u1ea1n n\u00ean l\u01b0u \u00fd:<\/p>\n\n\n\n
H\u00f3a ch\u1ea5t axit phosphoric l\u00e0m gi\u1ea3m m\u1eadt \u0111\u1ed9 x\u01b0\u01a1ng: \u0110\u00e2y ch\u00ednh l\u00e0 t\u00e1c h\u1ea1i \u0111\u1ea7u ti\u00ean m\u00e0 lo\u1ea1i axit n\u00e0y g\u00e2y n\u00ean \u1edf ng\u01b0\u1eddi.<\/p>\n\n\n\n
G\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng v\u1ec1 th\u1eadn: Vi\u1ec7c c\u1ee7a ng\u01b0\u1eddi ti\u00eau th\u1ee5 c\u00e1c lo\u1ea1i th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng gi\u00e0u axit phosphoric s\u1ebd l\u00e0m thay \u0111\u1ed5i ti\u1ebft ni\u1ec7u, g\u00e2y ra c\u00e1c b\u1ec7nh v\u1ec1 s\u1ecfi th\u1eadn ho\u1eb7c c\u00e1c b\u1ec7nh th\u1eadn m\u00e3n t\u00ednh. V\u00ec n\u00f3 l\u00e0m qu\u00e1 t\u1ea3i photpho trong c\u01a1 th\u1ec3 t\u1eeb \u0111\u00f3 khi\u1ebfn ch\u1ee9c n\u0103ng b\u1ecb suy gi\u1ea3m.<\/p>\n\n\n\n
L\u00e0m gi\u1ea3m ch\u1ea5t dinh d\u01b0\u1ee1ng trong c\u01a1 th\u1ec3: N\u1ebfu nh\u01b0 ch\u00fang ta n\u00e0o qu\u00e1 nhi\u1ec1u th\u1ef1c ph\u1ea9m c\u00f3 ch\u1ee9a axit phosphoric, s\u1ebd g\u00e2y ra t\u00ecnh tr\u1ea1ng d\u01b0 th\u1eeba P l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng canxi c\u00f3 trong c\u01a1 th\u1ec3. T\u1eeb \u0111\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng nh\u01b0 s\u1eaft, magie v\u00e0 k\u1ebdm,\u2026 s\u1ebd k\u00e9m \u0111i v\u00e0 l\u00e0m cho c\u01a1 th\u1ec3 thi\u1ebfu h\u1ee5t \u0111i c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n
L\u00e0m t\u0103ng n\u1ed3ng \u0111\u1ed9 axit trong c\u01a1 th\u1ec3: \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i axit \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 kh\u00f4ng t\u1ed1t cho s\u1ee9c kh\u1ecfe, n\u1ebfu nh\u01b0 h\u1ea5p th\u1ee5 axit photphoric v\u00e0 mu\u1ed1i photphat qu\u00e1 nhi\u1ec1u s\u1ebd g\u00e2y ra t\u00ecnh tr\u1ea1ng t\u0103ng n\u1ed3ng \u0111\u1ed9 axit.<\/p>\n\n\n\n
C\u00f4ng d\u1ee5ng c\u1ee7a axit photphoric<\/p>\n\n\n\n
Dung d\u1ecbch axit phosphoric \u0111\u1eadm \u0111\u1eb7c \u0111\u01b0\u1ee3c b\u00e1n tr\u00ean th\u1ecb tr\u01b0\u1eddng v\u1edbi n\u1ed3ng \u0111\u1ed9 l\u00e0 85%. Lo\u1ea1i axit n\u00e0y l\u00e0 b\u00e1n th\u00e0nh ph\u1ea7n trong qu\u00e1 tr\u00ecnh s\u1ea3n ph\u00e2n b\u00f3n, th\u1ee9c \u0103n g\u00e1i s\u00fac, d\u01b0\u1ee3c ph\u1ea9m. L\u00e0m ch\u1ea5t x\u00fac t\u00e1c trong qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p c\u00e1c ch\u1ea5t h\u1eefu c\u01a1, ch\u1ea5t ch\u1ed1ng ch\u00e1y, s\u1ea3n xu\u1ea5t thu\u1ed1c tr\u1eeb s\u00e2u,\u2026 \u0110\u1eb7c bi\u1ec7t, axit phosphoric d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf ph\u00e2n l\u00e2n nh\u01b0 l\u00e0 superphosphat \u0111\u01a1n v\u00e0 ph\u00e2n supephosphat k\u00e9p.<\/p>\n\n\n\n
\u0110i\u1ec1u ch\u1ebf<\/p>\n\n\n\n
C\u00e1ch \u0111i\u1ec1u ch\u1ebf H3PO4<\/p>\n\n\n\n
\u0110i\u1ec1u ch\u1ebf axit photphoric trong ph\u00f2ng th\u00ed nghi\u1ec7m<\/p>\n\n\n\n
\u0110i\u1ec1u ch\u1ebf axit phosphoric trong ph\u00f2ng th\u00ed nghi\u1ec7m b\u1eb1ng c\u00e1ch d\u00f9ng NO3 \u0111\u1eb7c oxi h\u00f3a photpho \u1edf nhi\u1ec7t \u0111\u1ed9 cao:<\/p>\n\n\n\n
P + 5HNO3 \u2192 H3PO4 + 5NO2 + H2O<\/p>\n\n\n\n
\u0110i\u1ec1u ch\u1ebf axit photphoric trong c\u00f4ng nghi\u1ec7p<\/p>\n\n\n\n
Trong c\u00f4ng nghi\u1ec7p, axit phosphoric \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p b\u1eb1ng qu\u00e1 tr\u00ecnh qu\u00e1 nhi\u1ec7t v\u00e0 qu\u00e1 tr\u00ecnh \u1ea9m \u01b0\u1edbt. C\u00e1c qu\u00e1 tr\u00ecnh nhi\u1ec7t th\u00ec \u0111\u1eaft h\u01a1n s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ea3n ph\u1ea9m tinh khi\u1ebft, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m. C\u00f2n qu\u00e1 tr\u00ecnh \u01b0\u1edbt th\u00ec chi\u1ebfm \u01b0u th\u1ebf h\u01a1n trong l\u0129nh v\u1ef1c th\u01b0\u01a1ng m\u1ea1i.<\/p>\n\n\n\n
L\u1eddi k\u1ebft<\/p>\n\n\n\n
Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a h\u1ee3p ch\u1ea5t axit photphoric v\u00e0 mu\u1ed1i photphat m\u00e0 Vietlearn mu\u1ed1n \u0111em \u0111\u1ebfn cho c\u00e1c b\u1ea1n. Hy v\u1ecdng v\u1edbi nh\u1eefng ki\u1ebfn th\u1ee9c tr\u00ean, b\u1ea1n s\u1ebd th\u00eam v\u1eefng ch\u1eafc v\u1ec1 m\u00f4n h\u00f3a v\u00e0 ng\u00e0y c\u00e0ng s\u1ebd y\u00eau th\u00edch n\u00f3 h\u01a1n nh\u00e9!<\/p>\n\n\n\n
\u0110\u1ecdc th\u00eam c\u00e1c b\u00e0i vi\u1ebft c\u00f9ng ch\u1ee7 \u0111\u1ec1:<\/p><\/blockquote>\n\n\n\n
C\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u1eadn bi\u1ebft Axit Baz\u01a1 mu\u1ed1i \u2013 H\u00f3a 8(M\u1edf trong c\u1eeda s\u1ed1 m\u1edbi)<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a Axit \u2013 H\u1ecdc t\u1ed1t h\u00f3a 9 c\u00f9ng Vietlearn(M\u1edf trong c\u1eeda s\u1ed1 m\u1edbi)<\/p>\n\n\n\n
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(M\u1edf trong c\u1eeda s\u1ed1 m\u1edbi)<\/p>\n\n\n\n
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(M\u1edf trong c\u1eeda s\u1ed1 m\u1edbi)<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng c\u1ee7a Kim lo\u1ea1i la\u0300 gi\u0300 \u2013 H\u00f3a h\u1ecdc l\u1edbp 9(M\u1edf trong c\u1eeda s\u1ed1 m\u1edbi)<\/p>\n\n\n\n
Axit cacbonic v\u00e0 mu\u1ed1i<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Trong b\u00e0i vi\u1ebft h\u00f4m nay Vietlearn s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t lo\u1ea1i axit c\u00f3 c\u00f4ng d\u1ee5ng v\u00f4 c\u00f9ng tuy\u1ec7t v\u1eddi, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi \u0111\u00f3 l\u00e0 Axit photphoric v\u00e0 mu\u1ed1i photphat. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd \u0111em \u0111\u1ebfn […]<\/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],"tags":[],"class_list":["post-1049","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1049","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=1049"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1049\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}