{"id":939,"date":"2021-10-08T12:52:32","date_gmt":"2021-10-08T12:52:32","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=939"},"modified":"2021-10-14T22:09:12","modified_gmt":"2021-10-14T15:09:12","slug":"este-la-gi-dong-hanh-gia%cc%89i-dap-thac-mac-hoa-12-voi-toppy","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/este-la-gi-dong-hanh-gia%cc%89i-dap-thac-mac-hoa-12-voi-toppy\/","title":{"rendered":"Este la\u0300 gi\u0300 \u2013 \u0110\u00f4\u0300ng ha\u0300nh gia\u0309i \u0111a\u0301p th\u0103\u0301c m\u0103\u0301c ho\u0301a 12"},"content":{"rendered":"\n<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p>Este la\u0300 m\u00f4\u0323t trong ch\u00e2\u0301t ho\u0301a ho\u0323c co\u0301 c\u00e2\u0301u ta\u0323o kh\u00f4ng h\u00ea\u0300 \u0111\u01a1n gia\u0309n va\u0300 th\u00e2\u0323m chi\u0301 la\u0300 ph\u01b0\u0301c ta\u0323p. Ca\u0301c ba\u0300i toa\u0301n li\u00ean quan t\u01a1\u0301i este cu\u0303ng th\u01b0\u01a1\u0300ng s\u01a1\u0309 h\u01b0\u0303u m\u00f4\u0323t \u0111\u00f4\u0323 kho\u0301 nh\u00e2\u0301t \u0111i\u0323nh. \u01a0\u0309 chuy\u00ean mu\u0323c l\u00e2\u0300n na\u0300y, ha\u0303y cu\u0300ng \u0111\u00f4\u0300ng ha\u0300nh v\u01a1\u0301i Vietlearn trong chu\u0309 \u0111\u00ea\u0300 Este la\u0300 gi\u0300. T\u01b0\u0300 ti\u0301nh ch\u00e2\u0301t v\u00e2\u0323t ly\u0301, ti\u0301nh ch\u00e2\u0301t ho\u0301a ho\u0323c, \u01b0\u0301ng du\u0323ng,\u2026 \u0111\u00ea\u0300u se\u0303 \u0111\u01b0\u01a1\u0323c cung c\u00e2\u0301p cho ba\u0323n \u0111o\u0323c m\u00f4\u0323t ca\u0301ch \u0111\u00e2\u0300y \u0111u\u0309 nh\u00e2\u0301t.<\/p>\n\n\n\n<p>Ti\u0300m hi\u00ea\u0309u este la\u0300 gi\u0300<\/p>\n\n\n\n<p>Ly\u0301 thuy\u00ea\u0301t este c\u00e2\u0300n bi\u00ea\u0301t. Este la\u0300 gi\u0300?<\/p>\n\n\n\n<p>Este la\u0300 gi\u0300? Este \u0111\u01b0\u01a1\u0323c bi\u00ea\u0301t t\u01a1\u0301i la\u0300 h\u01a1\u0323p ch\u00e2\u0301t h\u01b0\u0303u c\u01a1 co\u0301 \u0111\u01b0\u01a1\u0323c sau khi thay nho\u0301m -OH \u01a1\u0309 nho\u0301m cacboxyl cu\u0309a axit cacboxyl b\u0103\u0300ng nho\u0301m -OR.<\/p>\n\n\n\n<p>Cu\u0303ng chi\u0301nh vi\u0300 v\u00e2\u0323y, este co\u0301 c\u00f4ng th\u01b0\u0301c ph\u00e2n t\u01b0\u0309 chung la\u0300: R-COO-R\u2019. Danh pha\u0301p cu\u0309a este \u0111\u01b0\u01a1\u0323c th\u00ea\u0309 hi\u00ea\u0323n nh\u01b0 sau: T\u00ean este se\u0303 \u0111\u01b0\u01a1\u0323c go\u0323i b\u01a1\u0309i t\u00ean g\u00f4\u0301c hidrocacbon R\u2019 v\u01a1\u0301i t\u00ean g\u00f4\u0301c axit nh\u01b0ng \u0111\u00f4\u0309i \u201cic\u201d tha\u0300nh \u201cat\u201d.<\/p>\n\n\n\n<p>Vi\u0301 du\u0323: CH3COOC2H5: etyl axetat va\u0300 CH2=CH-COO-CH3: metyl acrylat<\/p>\n\n\n\n<p>Tu\u0300y va\u0300o \u0111\u0103\u0323c \u0111i\u00ea\u0309m c\u00e2\u0301u ta\u0323o t\u01b0\u0300 ca\u0301c g\u00f4\u0301c ma\u0300 este co\u0301 th\u00ea\u0309 \u0111\u01b0\u01a1\u0323c ph\u00e2n tha\u0300nh r\u00e2\u0301t nhi\u00ea\u0300u loa\u0323i kha\u0301c nhau nh\u01b0: este \u0111\u01a1n ch\u01b0\u0301c, este \u0111a ch\u01b0\u0301c, este no, este kh\u00f4ng no, este th\u01a1m,\u2026<\/p>\n\n\n\n<p>Ti\u0301nh ch\u00e2\u0301t v\u00e2\u0323t ly\u0301 cu\u0309a este la\u0300 gi\u0300?<\/p>\n\n\n\n<p>Este la\u0300 ch\u00e2\u0301t lo\u0309ng hay r\u0103\u0301n? C\u00e2u tra\u0309 l\u01a1\u0300i la\u0300 este t\u00f4\u0300n ta\u0323i chu\u0309 y\u00ea\u0301u \u01a1\u0309 da\u0323ng lo\u0309ng. Tuy nhi\u00ean, co\u0301 m\u00f4\u0323t va\u0300i ca\u0301c este co\u0301 kh\u00f4\u0301i l\u01b0\u01a1\u0323ng ph\u00e2n t\u01b0\u0309 l\u01a1\u0301n se\u0303 t\u00f4\u0300n ta\u0323i d\u01b0\u01a1\u0301i da\u0323ng th\u00ea\u0309 r\u0103\u0301n.<\/p>\n\n\n\n<p>Nhi\u00ea\u0323t \u0111\u00f4\u0323 s\u00f4i cu\u0309a este kha\u0301 th\u00e2\u0301p. \u0110\u0103\u0323c bi\u00ea\u0323t so v\u01a1\u0301i ca\u0301c axit co\u0301 chung c\u00f4ng th\u01b0\u0301c ph\u00e2n t\u01b0\u0309. \u0110i\u00ea\u0300u na\u0300y \u0111\u01b0\u01a1\u0323c gia\u0309i thi\u0301ch b\u01a1\u0309i no\u0301 kh\u00f4ng t\u00f4\u0300n ta\u0323i li\u00ean k\u00ea\u0301t hidro v\u01a1\u0301i nhau.<\/p>\n\n\n\n<p>Este \u0111\u00f4\u0300ng th\u01a1\u0300i tan i\u0301t trong n\u01b0\u01a1\u0301c do kh\u00f4ng co\u0301 s\u01b0\u0323 li\u00ean k\u00ea\u0301t gi\u01b0\u0303a ca\u0301c ph\u00e2n t\u01b0\u0300 hidro v\u01a1\u0301i n\u01b0\u01a1\u0301c.<\/p>\n\n\n\n<p>Este d\u00ea\u0303 bay h\u01a1i va\u0300 s\u01a1\u0309 h\u01b0\u0303u nh\u01b0\u0303ng h\u01b0\u01a1ng th\u01a1m \u0111\u0103\u0323c bi\u00ea\u0323t kha\u0301c nhau. \u0110\u00e2y cu\u0303ng la\u0300 ti\u0301nh ch\u00e2\u0301t \u0111\u00ea\u0309 ng\u01b0\u01a1\u0300i ta \u01b0\u0301ng du\u0323ng este va\u0300o sa\u0309n xu\u00e2\u0301t ca\u0301c ch\u00e2\u0301t th\u01a1m.<\/p>\n\n\n\n<p>Ti\u0301nh ch\u00e2\u0301t ho\u0301a ho\u0323c cu\u0309a Este la\u0300 gi\u0300?<\/p>\n\n\n\n<p>Este t\u01b0\u01a1ng t\u01b0\u0323 ca\u0301c ch\u00e2\u0301t kha\u0301c cu\u0303ng co\u0301 cho mi\u0300nh nh\u01b0\u0303ng ti\u0301nh ch\u00e2\u0301t ho\u0301a ho\u0323c \u0111\u0103\u0323c bi\u00ea\u0323t. Nh\u0103\u0301c \u0111\u00ea\u0301n este, ng\u01b0\u01a1\u0300i ta th\u01b0\u01a1\u0300ng nghi\u0303 \u0111\u00ea\u0301n ca\u0301c pha\u0309n \u01b0\u0301ng thu\u0309y ph\u00e2n, pha\u0309n \u01b0\u0301ng kh\u01b0\u0309, pha\u0309n \u01b0\u0301ng c\u00f4\u0323ng,\u2026<\/p>\n\n\n\n<p>Pha\u0309n \u01b0\u0301ng thu\u0309y ph\u00e2n cu\u0309a este xa\u0309y ra trong ca\u0309 2 m\u00f4i tr\u01b0\u01a1\u0300ng la\u0300 axit va\u0300 ki\u00ea\u0300m. \u01a0\u0309 m\u00f4i tr\u01b0\u01a1\u0300ng ki\u00ea\u0300m hay co\u0300n \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 pha\u0309n \u01b0\u0301ng xa\u0300 pho\u0300ng ho\u0301a. 2 pha\u0309n \u01b0\u0301ng \u0111\u0103\u0323c tr\u01b0ng cho ca\u0301c hi\u00ea\u0323n t\u01b0\u01a1\u0323ng xa\u0309y ra la\u0300:<\/p>\n\n\n\n<p>M\u00f4i tr\u01b0\u01a1\u0300ng axit: RCOOR\u2019 + H2O (H+) \u21d4 RCOOH + R\u2019OH<\/p>\n\n\n\n<p>M\u00f4i tr\u01b0\u01a1\u0300ng bazo: RCOOR\u2019 + NaOH \u2192 RCOONa + R\u2019OH<\/p>\n\n\n\n<p>Pha\u0309n \u01b0\u0301ng nhi\u00ea\u0323t ph\u00e2n cu\u0309a este v\u01a1\u0301i ch\u00e2\u0301t xu\u0301c ta\u0301c la\u0300 LiAlH4:<\/p>\n\n\n\n<p>RCOOR\u2019 \u2192 RCH2OH + R\u2019OH (ch\u00e2\u0301t xu\u0301c ta\u0301c: nhi\u00ea\u0323t \u0111\u00f4\u0323, LiAlH4)<\/p>\n\n\n\n<p>Pha\u0309n \u01b0\u0301ng c\u00f4\u0323ng va\u0300 tru\u0300ng h\u01a1\u0323p:<\/p>\n\n\n\n<p>n CH2=C(CH3)-COOCH3 \u2192 (C5O2H8)n<\/p>\n\n\n\n<p>Pha\u0309n \u01b0\u0301ng \u0111\u00f4\u0301t cha\u0301y este:<\/p>\n\n\n\n<p>RCOOR\u2019 + O2 \u2192 CO2 + H2O<\/p>\n\n\n\n<p>B\u00ean ca\u0323nh \u0111o\u0301 co\u0300n co\u0301 m\u00f4\u0323t va\u0300i ca\u0301c ti\u0301nh ch\u00e2\u0301t ho\u0301a ho\u0323c ri\u00eang bi\u00ea\u0323t cu\u0309a ca\u0301c este kha\u0301c nhau nh\u01b0:<\/p>\n\n\n\n<p>HCOOR s\u01a1\u0309 h\u01b0\u0303u toa\u0300n b\u00f4\u0323 ti\u0301nh ch\u00e2\u0301t t\u01b0\u01a1ng t\u01b0\u0323 m\u00f4\u0323t andehit.<\/p>\n\n\n\n<p>Este cu\u0309a phenol n\u00ea\u0301u ta\u0301c du\u0323ng v\u01a1\u0301i NaOH hay chi\u0301nh la\u0300 pha\u0309n \u01b0\u0301ng thu\u0309y ph\u00e2n \u01a1\u0309 m\u00f4i tr\u01b0\u01a1\u0300ng bazo se\u0303 kh\u00f4ng sinh ra r\u01b0\u01a1\u0323u.<\/p>\n\n\n\n<p>CH3COOC6H5 + 2 NaOH \u2192 CH3COONa + C6H5ONa + H2O<\/p>\n\n\n\n<p>Este cu\u0309a r\u01b0\u01a1\u0323u kh\u00f4ng no khi thu\u0309y ph\u00e2n cho ra andehit ho\u0103\u0323c xeton.<\/p>\n\n\n\n<p>CH3COOCH=CH2 + H2O \u2192 CH3COOH + CH3CHO<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><\/p><\/blockquote>\n\n\n\n<p>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a acid carboxylic \u2013 H\u1ecdc t\u1ed1t h\u00f3a 11 c\u00f9ng Vietlearn<\/p>\n\n\n\n<p>Ch\u01b0\u0301c n\u0103ng cu\u0309a lipit \u2013 Tra\u0309 l\u01a1\u0300i 10 va\u0323n c\u00e2u ho\u0309i vi\u0300 sao cu\u0300ng Vietlearn<\/p>\n\n\n\n<p>Ca\u0301ch \u0111i\u00ea\u0300u ch\u00ea\u0301 este l\u00e0 g\u00ec?<\/p>\n\n\n\n<p>\u0110i\u00ea\u0300u ch\u00ea\u0301 este co\u0301 nhi\u00ea\u0300u ca\u0301ch kha\u0301c nhau. Tu\u0300y thu\u00f4\u0323c va\u0300o sa\u0309n ph\u00e2\u0309m mong mu\u00f4\u0301n ma\u0300 ca\u0301c ph\u01b0\u01a1ng pha\u0301p \u0111i\u00ea\u0300u ch\u00ea\u0301 cu\u0303ng kha\u0301c nhau. Th\u00f4ng th\u01b0\u01a1\u0300ng \u0111\u00ea\u0309 \u0111i\u00ea\u0300u ch\u00ea\u0301 este cu\u0309a ancol thi\u0300 ng\u01b0\u01a1\u0300i ta s\u01b0\u0309 du\u0323ng ph\u01b0\u01a1ng pha\u0301p este ho\u0301a. Ph\u1ea3n \u1ee9ng este ho\u0301a la\u0300 gi\u0300? \u0110\u00e2y la\u0300 ph\u01b0\u01a1ng pha\u0301p s\u01b0\u0309 du\u0323ng k\u00ea\u0301t h\u01a1\u0323p gi\u01b0\u0303a axit h\u01b0\u0303u c\u01a1 va\u0300 r\u01b0\u01a1\u0323u ancol v\u01a1\u0301i \u0111i\u00ea\u0300u ki\u00ea\u0323n xu\u0301c ta\u0301c la\u0300 nhi\u00ea\u0323t \u0111\u00f4\u0323 va\u0300 H2SO4 \u0111\u0103\u0323c.<\/p>\n\n\n\n<p>RCOOH + R\u2019OH \u21d4 RCOOR\u2019 + H2O (xu\u0301c ta\u0301c nhi\u00ea\u0323t \u0111\u00f4\u0323 v\u00e0 H2SO4)<\/p>\n\n\n\n<p>\u0110\u00ea\u0309 \u0111i\u00ea\u0300u ch\u00ea\u0301 m\u00f4\u0323t s\u00f4\u0301 este cu\u0309a phenol thi\u0300 pha\u0309i s\u01b0\u0309 du\u0323ng anhidrit axit ho\u0103\u0323c clorua axit cho ta\u0301c du\u0323ng v\u01a1\u0301i phenol.<\/p>\n\n\n\n<p>(CH3CO)2O + C6H5OH \u2192 CH3COOC6H5 + CH3COOH<\/p>\n\n\n\n<p>\u0110\u00ea\u0309 \u0111i\u00ea\u0300u ch\u00ea\u0301 ca\u0301c este kh\u00f4ng no s\u01b0\u0309 du\u0323ng ca\u0301c axit cacboxylic ta\u0301c du\u0323ng v\u01a1\u0301i ankin t\u01b0\u01a1ng \u01b0\u0301ng.<\/p>\n\n\n\n<p>RCOOH + C2H2 \u2192 RCOOC2H3 (co\u0301 nhi\u00ea\u0323t \u0111\u00f4\u0323 va\u0300 ch\u00e2\u0301t xu\u0301c ta\u0301c)<\/p>\n\n\n\n<p>Ca\u0301ch \u0111i\u00ea\u0300u ch\u00ea\u0301 este<\/p>\n\n\n\n<p>\u01af\u0301ng du\u0323ng cu\u0309a este<\/p>\n\n\n\n<p>Este \u0111o\u0301ng go\u0301p r\u00e2\u0301t nhi\u00ea\u0300u vai tro\u0300 trong \u0111\u01a1\u0300i s\u00f4\u0301ng. Ti\u00eau bi\u00ea\u0309u co\u0301 th\u00ea\u0309 k\u00ea\u0309 tr\u00ean m\u00f4\u0323t s\u00f4\u0301 vai tro\u0300 th\u01b0\u0323c ti\u00ea\u0303n nh\u01b0 sau:<\/p>\n\n\n\n<p>La\u0300m dung m\u00f4i ho\u0300a tan: Este tan t\u00f4\u0301t trong ca\u0301c dung m\u00f4i h\u01b0\u0303u c\u01a1 n\u00ean th\u01b0\u01a1\u0300ng \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng la\u0300m dung m\u00f4i ho\u0300a tan. Vi\u0301 du\u0323 ti\u00eau bi\u00ea\u0309u du\u0300ng \u0111\u00ea\u0309 pha s\u01a1n t\u00f4\u0309ng h\u01a1\u0323p \u01a1\u0309 2 este amyl axetat va\u0300 butyl.<\/p>\n\n\n\n<p>\u0110\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng la\u0300m ca\u0301c ch\u00e2\u0301t de\u0309o, la\u0300m d\u01b0\u01a1\u0323c ph\u00e2\u0309m ch\u01b0\u0301c n\u0103ng,\u2026<\/p>\n\n\n\n<p>S\u01b0\u0309 du\u0323ng r\u00f4\u0323ng ra\u0303i trong c\u00f4ng nghi\u00ea\u0323p mi\u0303 ph\u00e2\u0309m va\u0300 n\u01b0\u01a1\u0301c hoa.<\/p>\n\n\n\n<p>La\u0300 ch\u00e2\u0301t \u0111\u00ea\u0309 sa\u0309n xu\u00e2\u0301t nhi\u00ea\u0300u ch\u00e2\u0301t quan tro\u0323ng kha\u0301c nh\u01b0 metyl acrylat, metyl metacrylat \u01b0\u0301ng du\u0323ng va\u0300o ch\u00ea\u0301 ta\u0323o thu\u0309y tinh. La\u0300m ch\u00ea\u0301t de\u0309o (vinyl axetat), la\u0300m keo da\u0301n (vinyl ancol),\u2026<\/p>\n\n\n\n<p>\u01af\u0301ng du\u0323ng cu\u0309a este trong \u0111\u01a1\u0300i s\u00f4\u0301ng<\/p>\n\n\n\n<p>Nh\u01b0\u0303ng mu\u0300i \u0111\u0103\u0323c tr\u01b0ng cu\u0309a este l\u00e0 g\u00ec?<\/p>\n\n\n\n<p>D\u01b0\u01a1\u0301i \u0111\u00e2y la\u0300 nh\u01b0\u0303ng h\u01b0\u01a1ng th\u01a1m \u0111\u0103\u0323c tr\u01b0ng ph\u00f4\u0309 bi\u00ea\u0301n cu\u0309a ca\u0301c loa\u0323i este:<\/p>\n\n\n\n<p>H\u01b0\u01a1ng d\u00e2\u0300u chu\u00f4\u0301i: Isoamyl axetat<\/p>\n\n\n\n<p>H\u01b0\u01a1ng ta\u0301o: Etyl Isovalerat<\/p>\n\n\n\n<p>H\u01b0\u01a1ng d\u01b0\u0301a: Etyl Butirat<\/p>\n\n\n\n<p>H\u01b0\u01a1ng cam: metyl 2aminobenzoat<\/p>\n\n\n\n<p>H\u01b0\u01a1ng hoa nha\u0300i: Benzyl axetat<\/p>\n\n\n\n<p>H\u01b0\u01a1ng m\u00e2\u0323n: Amyl Format<\/p>\n\n\n\n<p>Ca\u0301c da\u0323ng ba\u0300i t\u00e2\u0323p c\u01a1 ba\u0309n v\u00ea\u0300 este<\/p>\n\n\n\n<p>Co\u0301 m\u00f4\u0323t s\u00f4\u0301 da\u0323ng ba\u0300i t\u00e2\u0323p c\u01a1 ba\u0309n v\u00ea\u0300 Este ma\u0300 ba\u0323n \u0111o\u0323c se\u0303 pha\u0309i nghi\u00ean c\u01b0\u0301u ky\u0303 bao g\u00f4\u0300m:<\/p>\n\n\n\n<p>Pha\u0309n \u01b0\u0301ng cha\u0301y cu\u0309a Este.<\/p>\n\n\n\n<p>Pha\u0309n \u01b0\u0301ng thu\u0309y ph\u00e2n cu\u0309a Este.<\/p>\n\n\n\n<p>Hi\u00ea\u0323u su\u00e2\u0301t cu\u0309a pha\u0309n \u01b0\u0301ng ta\u0323o Este.<\/p>\n\n\n\n<p>\u0110\u00ea\u0309 co\u0301 th\u00ea\u0309 ti\u0300m hi\u00ea\u0309u ky\u0303 h\u01a1n v\u00ea\u0300 ca\u0301c da\u0323ng ba\u0300i t\u00e2\u0323p cu\u0309a Este, ba\u0323n \u0111o\u0323c co\u0301 th\u00ea\u0309 ti\u0300m hi\u00ea\u0309u tr\u01b0\u0323c ti\u00ea\u0301p ta\u0323i Vietlearn.org\/. Tr\u00ean \u0111\u00e2y la\u0300 toa\u0300n b\u00f4\u0323 nh\u01b0\u0303ng ki\u00ea\u0301n th\u01b0\u0301c tra\u0309 l\u01a1\u0300i cho c\u00e2u ho\u0309i este la\u0300 gi\u0300. \u01a0\u0309 nh\u01b0\u0303ng ba\u0300i vi\u00ea\u0301t ti\u00ea\u0301p theo, toppy h\u01b0\u0301a he\u0323n se\u0303 cung c\u00e2\u0301p cho ba\u0323n \u0111o\u0323c nh\u01b0\u0303ng chu\u0309 \u0111\u00ea\u0300 h\u01b0\u0303u i\u0301ch h\u01a1n n\u01b0\u0303a. \u0110\u00ea\u0309 co\u0301 th\u00ea\u0309 ho\u0323c t\u00f4\u0301t b\u00f4\u0323 m\u00f4n ho\u0301a ho\u0323c, co\u0300n ng\u00e2\u0300n nga\u0323i gi\u0300 ma\u0300 kh\u00f4ng \u0111\u00f4\u0300ng ha\u0300nh cu\u0300ng Vietlearn na\u0300o.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Xem th\u00eam c\u00e1c b\u00e0i vi\u1ebft c\u00f3 n\u1ed9i dung c\u00f9ng ch\u1ee7 \u0111\u1ec1<\/p><\/blockquote>\n\n\n\n<p>Amoniac v\u00e0 mu\u00f4\u0301i amoniac \u2013 Ho\u0323c t\u00f4\u0301t ho\u0301a 10 cu\u0300ng Vietlearn<\/p>\n\n\n\n<p>T\u00ecm hi\u1ec3u mu\u00f4\u0301<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Este la\u0300 m\u00f4\u0323t trong ch\u00e2\u0301t ho\u0301a ho\u0323c co\u0301 c\u00e2\u0301u ta\u0323o kh\u00f4ng h\u00ea\u0300 \u0111\u01a1n gia\u0309n va\u0300 th\u00e2\u0323m chi\u0301 la\u0300 ph\u01b0\u0301c ta\u0323p. Ca\u0301c ba\u0300i toa\u0301n li\u00ean quan t\u01a1\u0301i este cu\u0303ng th\u01b0\u01a1\u0300ng s\u01a1\u0309 h\u01b0\u0303u m\u00f4\u0323t \u0111\u00f4\u0323 kho\u0301 nh\u00e2\u0301t \u0111i\u0323nh. \u01a0\u0309 chuy\u00ean mu\u0323c l\u00e2\u0300n na\u0300y, ha\u0303y cu\u0300ng \u0111\u00f4\u0300ng ha\u0300nh v\u01a1\u0301i Vietlearn trong chu\u0309 [&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":[8,5],"tags":[],"class_list":["post-939","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-pho-thong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/939","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=939"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/939\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}