Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
Mu\u00f4\u0301i nitrat kh\u00f4ng co\u0300n la\u0300 thu\u00e2\u0323t ng\u01b0\u0303 qua\u0301 xa la\u0323 \u0111\u00f4\u0301i v\u01a1\u0301i nh\u01b0\u0303ng ng\u01b0\u01a1\u0300i t\u01b0\u0300ng ti\u0300m hi\u00ea\u0309u v\u00ea\u0300 ho\u0301a ho\u0323c. \u0110\u00e2y la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng loa\u0323i mu\u00f4\u0301i xu\u00e2\u0301t hi\u00ea\u0323n nhi\u00ea\u0300u kh\u00f4ng chi\u0309 tr\u00ean sa\u0301ch v\u01a1\u0309 ma\u0300 co\u0300n \u01a1\u0309 ca\u0309 th\u01b0\u0323c t\u00ea\u0301. Ta\u0323i chuy\u00ean mu\u0323c l\u00e2\u0300n na\u0300y, Vietlearn se\u0303 cu\u0300ng ca\u0301c ba\u0323n \u0111i gia\u0309i \u0111a\u0301p ca\u0301c th\u0103\u0301c m\u0103\u0301c li\u00ean quan t\u01a1\u0301i chu\u0309 \u0111\u00ea\u0300 mu\u00f4\u0301i nitrat la\u0300 gi\u0300, mu\u00f4\u0301i nitrat co\u0301 ma\u0300u gi\u0300,\u2026 cu\u0300ng t\u00e2\u0301t ca\u0309 nh\u01b0\u0303ng c\u00e2u ho\u0309i t\u01b0\u01a1ng t\u01b0\u0323.<\/p>\n\n\n\n
Mu\u00f4\u0301i nitrat la\u0300 gi\u0300?<\/p>\n\n\n\n
Mu\u00f4\u0301i nitrat \u0111\u01b0\u01a1\u0323c c\u00e2\u0301u ta\u0323o b\u01a1\u0309i ca\u0301c ion kim loa\u0323i d\u01b0\u01a1ng cu\u0300ng ion nitrat NO3\u2013. Th\u00f4ng th\u01b0\u01a1\u0300ng, no\u0301 \u0111\u01b0\u01a1\u0323c hi\u0300nh tha\u0300nh nh\u01a1\u0300 ca\u0301c pha\u0309n \u01b0\u0301ng cu\u0309a axit nitric HNO3 v\u01a1\u0301i ca\u0301c kim loa\u0323i kha\u0301c nhau. B\u00ean ca\u0323nh kim loa\u0323i, no\u0301 cu\u0303ng co\u0301 th\u00ea\u0309 ta\u0323o b\u01a1\u0309i ca\u0301c ion d\u01b0\u01a1ng kha\u0301c nh\u01b0 NH4+.<\/p>\n\n\n\n
Mu\u00f4\u0301i nitrat la\u0300 gi\u0300 \u2013 m\u1ed9t s\u1ed1 d\u1ea1ng mu\u1ed1i nitrat ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/p>\n\n\n\n
Nh\u01b0 v\u1eady, b\u1ea1n \u0111\u00e3 n\u1eafm \u0111\u01b0\u1ee3c mu\u00f4\u0301i nitrat la\u0300 gi\u0300. Th\u1ef1c t\u1ebf, m\u00f4\u0303i loa\u0323i mu\u00f4\u0301i nitrat kha\u0301c nhau la\u0323i s\u01a1\u0309 h\u01b0\u0303u nh\u01b0\u0303ng ti\u0301nh ch\u00e2\u0301t v\u00e2\u0323t ly\u0301 va\u0300 ti\u0301nh ch\u00e2\u0301t ho\u0301a ho\u0323c co\u0301 ph\u00e2\u0300n kha\u0301c nhau. Vi\u0300 v\u00e2\u0323y, chu\u0301ng ta co\u0301 th\u00ea\u0309 ti\u0300m hi\u00ea\u0309u ki\u0303 h\u01a1n v\u00ea\u0300 s\u00f4\u0301 da\u0323ng mu\u00f4\u0301i nitrat ph\u00f4\u0309 bi\u00ea\u0301n sau \u0111\u00e2y.<\/p>\n\n\n\n
Mu\u00f4\u0301i Natri Nitrat l\u00e0 g\u00ec?<\/p>\n\n\n\n
Natri nitrat la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng loa\u0323i mu\u00f4\u0301i nitrat ph\u00f4\u0309 bi\u00ea\u0301n ha\u0300ng \u0111\u00e2\u0300u. C\u00f4ng th\u01b0\u0301c ho\u0301a ho\u0323c cu\u0309a no\u0301 la\u0300 NaNO3. Loa\u0323i mu\u00f4\u0301i na\u0300y s\u01a1\u0309 h\u01b0\u0303u m\u00f4\u0323t va\u0300i ti\u0301nh ch\u00e2\u0301t v\u00e2\u0323t ly\u0301 cu\u0323 th\u00ea\u0309 nh\u01b0 sau:<\/p>\n\n\n\n
C\u00f4ng th\u01b0\u0301c ph\u00e2n t\u01b0\u0309: NaNO3<\/p>\n\n\n\n
Kh\u00f4\u0301i l\u01b0\u01a1\u0323ng ri\u00eang: 2.257 g\/cm3.<\/p>\n\n\n\n
T\u00f4\u0300n ta\u0323i \u01a1\u0309 da\u0323ng b\u00f4\u0323t tr\u0103\u0301ng hay tinh th\u00ea\u0309. Kh\u00f4ng co\u0301 ma\u0300u nh\u01b0ng co\u0301 vi\u0323 h\u01a1i ngo\u0323t.<\/p>\n\n\n\n
Nhi\u00ea\u0323t \u0111\u00f4\u0323 no\u0301ng cha\u0309y la\u0300 308 \u0111\u00f4\u0323 C. Nhi\u00ea\u0323t \u0111\u00f4\u0323i s\u00f4i la\u0300 380 \u0111\u00f4\u0323 C.<\/p>\n\n\n\n
Tan t\u00f4\u0301t trong n\u01b0\u01a1\u0301c va\u0300 amoniac da\u0323ng lo\u0309ng. Co\u0301 tan i\u0301t trong ca\u0301c dung di\u0323ch c\u00f4\u0300n va\u0300 d\u00ea\u0303 bi\u0323 ph\u00e2n hu\u0309y.<\/p>\n\n\n\n
Ti\u0301nh ch\u00e2\u0301t ho\u0301a ho\u0323c:<\/p>\n\n\n\n
Kha\u0309 n\u0103ng h\u00e2\u0301p thu\u0323 nhi\u00ea\u0323t t\u00f4\u0301t n\u00ean d\u00ea\u0303 bi\u0323 ph\u00e2n hu\u0309y \u01a1\u0309 nhi\u00eat \u0111\u00f4\u0323 cao. Sa\u0309n ph\u00e2\u0309m ta\u0323o ra la\u0300 natri nitrit va\u0300 oxy.<\/p>\n\n\n\n
Ta\u0301c du\u0323ng v\u01a1\u0301i m\u00f4\u0323t s\u00f4\u0301 axit kha\u0301c nhau. Sa\u0309n ph\u00e2\u0309m cho ra la\u0300 mu\u00f4\u0301i m\u01a1\u0301i v\u01a1\u0301i axit m\u01a1\u0301i n\u00ea\u0301u la\u0300 pha\u0309n \u01b0\u0301ng trao \u0111\u00f4\u0309i. \u01a0\u0309 ca\u0301c pha\u0309n \u01b0\u0301ng oxi ho\u0301a kh\u01b0\u0309 thi\u0300 sa\u0309n ph\u00e2\u0309m co\u0301 ta\u0323o khi\u0301 va\u0300 n\u01b0\u01a1\u0301c.<\/p>\n\n\n\n
Xem th\u00eam Axit nitric \u2013 Kh\u00e1i ni\u1ec7m, t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, h\u00f3a h\u1ecdc v\u00e0 \u1ee9ng d\u1ee5ng<\/p><\/blockquote>\n\n\n\n
Mu\u00f4\u0301i Kali Nitrat l\u00e0 g\u00ec?<\/p>\n\n\n\n
M\u00f4\u0323t trong nh\u01b0\u0303ng mu\u00f4\u0301i nitrat kha\u0301c cu\u0303ng r\u00e2\u0301t ph\u00f4\u0309 bi\u00ea\u0301n chi\u0301nh la\u0300 Kali nitrat. V\u01a1\u0301i c\u00f4ng th\u01b0\u0301c ho\u0301a ho\u0323c la\u0300 KNO3, mu\u00f4\u0301i nitrat cu\u0303ng s\u01a1\u0309 h\u01b0\u0303u nh\u01b0\u0303ng ti\u0301nh ch\u00e2\u0301t v\u00e2\u0323t ly\u0301 va\u0300 ho\u0301a ho\u0323c ri\u00eang bi\u00ea\u0323t.<\/p>\n\n\n\n
Ti\u0301nh ch\u00e2\u0301t v\u00e2\u0323t ly\u0301:<\/p>\n\n\n\n
C\u00f4ng th\u01b0\u0301c ph\u00e2n t\u01b0\u0309: KNO3<\/p>\n\n\n\n
T\u00f4\u0300n ta\u0323i \u01a1\u0309 da\u0323ng r\u0103\u0301n co\u0301 ma\u0300u tr\u0103\u0301ng va\u0300 kh\u00f4ng mu\u0300i.<\/p>\n\n\n\n
Tan nhi\u00ea\u0300u trong n\u01b0\u01a1\u0301c. Kha\u0309 n\u0103ng ho\u0300a tan t\u0103ng ty\u0309 l\u00ea\u0323 thu\u00e2\u0323n v\u01a1\u0301i nhi\u00ea\u0323t \u0111\u00f4\u0323 n\u01b0\u01a1\u0301c. I\u0301t tan trong ca\u0301c dung di\u0323ch ch\u01b0\u0301a c\u00f4\u0300n nh\u01b0 ethanol. Co\u0301 th\u00ea\u0309 tan trong glycerol va\u0300 amoni.<\/p>\n\n\n\n
Nhi\u00ea\u0323t \u0111\u00f4\u0323 no\u0301ng cha\u0309y la\u0300 334 \u0111\u00f4\u0323 C va\u0300 nhi\u00ea\u0323t \u0111\u00f4\u0323 s\u00f4i la\u0300 400 \u0111\u00f4\u0323 C.<\/p>\n\n\n\n
Ti\u0301nh ch\u00e2\u0301t ho\u0301a ho\u0323c:<\/p>\n\n\n\n
Ph\u00e2n hu\u0309y ta\u0323o ra oxy<\/p>\n\n\n\n
Tham gia ca\u0301c pha\u0309n \u01b0\u0301ng oxi ho\u0301a kh\u01b0\u0309<\/p>\n\n\n\n
S + 2KNO3 + 3C \u2192 K2S + N2 + 3CO2<\/p>\n\n\n\n
Ta\u0301c du\u0323ng v\u01a1\u0301i mu\u00f4\u0301i kha\u0301c trong m\u00f4i tr\u01b0\u01a1\u0300ng axit:<\/p>\n\n\n\n
6FeSO4 + 2KNO3 (\u0111\u1eadm \u0111\u1eb7c) + 4H2SO4 \u2192 K2SO4 + 3Fe2(SO4)3 + 2NO + 4H2O<\/p>\n\n\n\n
Pha\u0309n \u01b0\u0301ng ho\u0301a ho\u0323c mu\u00f4\u0301i nitrat l\u00e0 g\u00ec<\/p>\n\n\n\n
Mu\u00f4\u0301i amoni nitrat l\u00e0 g\u00ec?<\/p>\n\n\n\n
Mu\u00f4\u0301i Amoni nitrat la\u0300 s\u01b0\u0323 k\u00ea\u0301t h\u01a1\u0323p cu\u0309a NH3 v\u01a1\u0301i axit nitric HNO3. No\u0301 bao g\u00f4\u0300m ca\u0301c ti\u0301nh ch\u00e2\u0301t v\u00e2\u0323t ly\u0301 nh\u01b0 sau:<\/p>\n\n\n\n
C\u00f4ng th\u01b0\u0301c ho\u0301a ho\u0323c: NH4NO3<\/p>\n\n\n\n
Amoni nitrat co\u0301 th\u00ea\u0309 t\u00f4\u0300n ta\u0323i \u01a1\u0309 d\u01b0\u01a1\u0301i da\u0323ng tinh th\u00ea\u0309 trong su\u00f4\u0301t kh\u00f4ng ma\u0300u. Tuy nhi\u00ean, no\u0301 cu\u0303ng co\u0301 th\u00ea\u0309 t\u00f4\u0300n ta\u0323i \u01a1\u0309 da\u0323ng ch\u00e2\u0301t b\u00f4\u0323t ma\u0300u tr\u0103\u0301ng n\u00ea\u0301u \u01a1\u0309 \u0111i\u00ea\u0300u ki\u00ea\u0323n nhi\u00ea\u0323t \u0111\u00f4\u0323 pho\u0300ng va\u0300 a\u0301p su\u00e2\u0301t ti\u00eau chu\u00e2\u0309n.<\/p>\n\n\n\n
Ho\u0300a tan t\u00f4\u0301t trong n\u01b0\u01a1\u0301c do d\u00ea\u0303 da\u0300ng h\u00e2\u0301p thu\u0323 \u0111\u00f4\u0323 \u00e2\u0309m. \u0110\u00f4\u0300ng th\u01a1\u0300i amoni nitrat cu\u0303ng h\u00e2\u0301p thu\u0323 nhi\u00ea\u0323t kha\u0301 t\u00f4\u0301t do \u0111o\u0301 no\u0301 d\u00ea\u0303 bi\u0323 ph\u00e2n hu\u0309y \u01a1\u0309 nhi\u00ea\u0323t \u0111\u00f4\u0323 cao.<\/p>\n\n\n\n
Ti\u0301nh ch\u00e2\u0301t ho\u0301a ho\u0323c:<\/p>\n\n\n\n
Co\u0301 pha\u0309n \u01b0\u0301ng nhi\u00ea\u0323t ph\u00e2n. Tu\u0300y va\u0300o t\u01b0\u0300ng nhi\u00ea\u0323t \u0111\u00f4\u0323 ma\u0300 cho ra ca\u0301c sa\u0309n ph\u00e2\u0309m cu\u0303ng kha\u0301c nhau.<\/p>\n\n\n\n
NH4NO3 \u2192 NH3 + HNO3 : nhi\u00ea\u0323t \u0111\u00f4\u0323 110 \u0111\u00f4\u0323 C<\/p>\n\n\n\n
NH4NO3 \u2192 N2O + 2H2O: nhi\u00ea\u0323t \u0111\u00f4\u0323 185 \u2013 200 \u0111\u00f4\u0323 C<\/p>\n\n\n\n
2NH4NO3 \u2192 2N2 + O2 + 4H2O: nhi\u00ea\u0323t \u0111\u00f4\u0323 230 \u0111\u00f4\u0323 C<\/p>\n\n\n\n
4NH4NO3 \u2192 3N2 + 2NO2 + 8H2O: nhi\u00ea\u0323t \u0111\u00f4\u0323 400 \u0111\u00f4\u0323 C<\/p>\n\n\n\n
Mu\u00f4\u0301i Canxi Nitrat l\u00e0 g\u00ec?<\/p>\n\n\n\n
Ti\u0301nh ch\u00e2\u0301t v\u00e2\u0323t ly\u0301:<\/p>\n\n\n\n
C\u00f4ng th\u01b0\u0301c ho\u0301a ho\u0323c: Ca(NO3)2<\/p>\n\n\n\n
H\u01a1\u0323p ch\u00e2\u0301t v\u00f4 c\u01a1 kh\u00f4ng ma\u0300u hu\u0301t \u00e2\u0309m t\u01b0\u0300 kh\u00f4ng khi\u0301 va\u0300 th\u01b0\u01a1\u0300ng th\u00e2\u0301y \u01a1\u0309 da\u0323ng ng\u00e2\u0323m 3 ph\u00e2n t\u01b0\u0309 n\u01b0\u01a1\u0301c.<\/p>\n\n\n\n
Nhi\u00ea\u0323t \u0111\u00f4\u0323 no\u0301ng cha\u0309y la\u0300 561 \u0111\u00f4\u0323 C \u01a1\u0309 da\u0323ng khan va\u0300 42.7 \u01a1\u0309 da\u0323ng ng\u00e2\u0323m 4 n\u01b0\u01a1\u0301c. \u01a0\u0309 da\u0323ng khan t\u01b0\u0323 ph\u00e2n hu\u0309y, \u01a1\u0309 da\u0323ng ng\u00e2\u0323m 4 n\u01b0\u01a1\u0301c nhi\u00ea\u0323t \u0111\u00f4\u0323i s\u00f4i la\u0300 132 \u0111\u00f4\u0323 C.<\/p>\n\n\n\n
Ho\u0300a tan trong amoniac nh\u01b0ng kh\u00f4ng ho\u0300a tan trong axit nitric. Ho\u0300a tan t\u00f4\u0301t trong ethanol h\u01a1n metanol.<\/p>\n\n\n\n
Ti\u0301nh ch\u00e2\u0301t ho\u0301a ho\u0323c:<\/p>\n\n\n\n
Co\u0301 pha\u0309n \u01b0\u0301ng ph\u00e2n hu\u0309y. Sa\u0309n ph\u00e2\u0309m ta\u0323o tha\u0300nh la\u0300 Canxi nitrit va\u0300 oxy.<\/p>\n\n\n\n
Co\u0301 ti\u0301nh oxi ho\u0301a kha\u0301 ma\u0323nh khi ta\u0301c du\u0323ng v\u01a1\u0301i ca\u0301c phi kim. \u0110i\u00ea\u0309n hi\u0300nh la\u0300: S, P,\u2026<\/p>\n\n\n\n
T\u00ccm hi\u1ec3u v\u1ec1 Photpho nguy\u00ean t\u1eed kh\u1ed1i<\/p><\/blockquote>\n\n\n\n
\u01af\u0301ng du\u0323ng cu\u0309a Mu\u00f4\u0301i nitrat la\u0300 gi\u0300?<\/p>\n\n\n\n
Mu\u00f4\u0301i nitrat co\u0301 kh\u00f4ng i\u0301t ca\u0301c \u01b0\u0301ng du\u0323ng va\u0300o th\u01b0\u0323c t\u00ea\u0301. \u0110\u01b0\u01a1ng nhi\u00ean, m\u00f4\u0303i loa\u0323i mu\u00f4\u0301i kha\u0301c nhau la\u0323i \u0111em v\u00ea\u0300 ca\u0301c ti\u0301nh ch\u00e2\u0301t va\u0300 \u01b0\u0301ng du\u0323ng ri\u00eang.<\/p>\n\n\n\n
Mu\u00f4\u0301i natri nitrat: \u0111\u01b0\u01a1\u0323c s\u01b0\u0309 du\u0323ng la\u0300m ph\u00e2n bo\u0301n va\u0300 trong ch\u00ea\u0301 ta\u0323o thu\u00f4\u0301c su\u0301ng. Du\u0300ng \u0111\u00ea\u0309 sa\u0309n xu\u00e2\u0301t axit quan tro\u0323ng la\u0300 axit nitric. S\u01b0\u0309 du\u0323ng chung v\u01a1\u0301i mu\u00f4\u0301i kali nitrat \u0111\u00ea\u0309 la\u0300m ch\u00e2\u0301t ba\u0309o qua\u0309n. Du\u0300ng trong c\u00f4ng ngh\u00ea\u0323 x\u01b0\u0309 ly\u0301 n\u01b0\u01a1\u0301c tha\u0309i cho ca\u0301c sinh v\u00e2\u0323t d\u01b0\u01a1\u0301i n\u01b0\u01a1\u0301c.<\/p>\n\n\n\n
Mu\u00f4\u0301i Kali nitrat: du\u0300ng \u0111\u00ea\u0309 ch\u00ea\u0301 ta\u0323o thu\u00f4\u0301c n\u00f4\u0309 \u0111en. La\u0300m ph\u00e2n bo\u0301n cho c\u00e2y tr\u00f4\u0300ng. Ba\u0309o qua\u0309n th\u01b0\u0323c ph\u00e2\u0309m, \u0111i\u00ea\u0300u ch\u00ea\u0301 oxy va\u0300 axit nitric. Co\u0301 th\u00ea\u0309 s\u01b0\u0309 du\u0323ng \u0111\u00ea\u0309 la\u0300m ca\u0301c phu\u0323 gia trong th\u01b0\u0323c ph\u00e2\u0309m va\u0300 ca\u0301c loa\u0323i kem \u0111a\u0301nh r\u0103ng cho con ng\u01b0\u01a1\u0300i.<\/p>\n\n\n\n
Mu\u00f4\u0301i amoni nitrat: S\u01b0\u0309 du\u0323ng la\u0300m ch\u00e2\u0301t n\u00f4\u0309, ph\u00e2n bo\u0301n. \u0110\u01b0\u01a1\u0323c du\u0300ng trong vi\u00ea\u0323c x\u01b0\u0309 ly\u0301 ca\u0301c qu\u0103\u0323ng titanium. Sa\u0309n xu\u00e2\u0301t N2O, \u0111i\u00ea\u0300u ch\u00ea\u0301 amoniac khan,\u2026<\/p>\n\n\n\n
Mu\u00f4\u0301i Canxi Nitrat: la\u0300m nguy\u00ean li\u00ea\u0323u sa\u0309n xu\u00e2\u0301t ph\u00e2n bo\u0301n, s\u01b0\u0309 du\u0323ng trong x\u00e2y d\u01b0\u0323ng la\u0300m ch\u00e2\u0301t phu\u0323 gia b\u00ean t\u00f4ng. \u01af\u0301ng du\u0323ng trong x\u01b0\u0309 ly\u0301 n\u01b0\u01a1\u0301c tha\u0309i, sa\u0309n xu\u00e2\u0301t cao su, la\u0300m la\u0323nh pho\u0300ng va\u0300 k\u00ea\u0301t h\u01a1\u0323p v\u01a1\u0301i m\u00f4\u0323t va\u0300i ch\u00e2\u0301t kha\u0301c \u0111\u00ea\u0309 ti\u0301ch tr\u01b0\u0303 n\u0103ng l\u01b0\u01a1\u0323ng m\u0103\u0323t tr\u01a1\u0300i.<\/p>\n\n\n\n
Mu\u00f4\u0301i nitrat \u01b0\u0301ng du\u0323ng ch\u00ea\u0301 ta\u0323o ph\u00e2n bo\u0301n<\/p>\n\n\n\n
Mu\u00f4\u0301i nitrat th\u01b0\u0323c s\u01b0\u0323 \u0111o\u0301ng vai tro\u0300 quan tro\u0323ng \u0111\u0103\u0323c bi\u00ea\u0323t \u01a1\u0309 li\u0303nh v\u01b0\u0323c n\u00f4ng nghi\u00ea\u0323p. Hy vo\u0323ng th\u00f4ng qua ba\u0300i vi\u00ea\u0301t na\u0300y, Vietlearn co\u0301 th\u00ea\u0309 gia\u0309i quy\u00ea\u0301t \u0111\u01b0\u01a1\u0323c cho ba\u0323n \u0111o\u0323c th\u0103\u0301c m\u0103\u0301c mu\u00f4\u0301i nitrat la\u0300 gi\u0300. Chu\u0301c ca\u0301c ba\u0323n co\u0301 m\u00f4\u0323t qua\u0301 tri\u0300nh ho\u0323c t\u00e2\u0323p va\u0300 nghi\u00ean c\u01b0\u0301u t\u00f4\u0301t nh\u00e2\u0301t.<\/p>\n\n\n\n
Xem th\u00eam c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c:<\/p><\/blockquote>\n\n\n\n
V\u00e2\u0323t ly\u0301 l\u1edbp 8: Tro\u0323n b\u00f4\u0323 bi\u0301 ki\u0301p ho\u0323c t\u00f4\u0301t n\u00e2ng cao \u0111i\u1ec3m s\u1ed1(M\u1edf trong c\u1eeda s\u1ed1 m\u1edbi)<\/p>\n\n\n\n
Amoniac v\u00e0 mu\u00f4\u0301i amoniac \u2013 Ho\u0323c t\u00f4\u0301t ho\u0301a 10 cu\u0300ng Vietlearn(M\u1edf trong c\u1eeda s\u1ed1 m\u1edbi)<\/p>\n\n\n\n
C\u0103n b\u1eadc 3 l\u1edbp 9 \u2013 Gi\u1ea3i to\u00e1n 9 nhanh nh\u1ea5t c\u00f9ng Vietlearn(M\u1edf trong c\u1eeda s\u1ed1 m\u1edbi)<\/p>\n\n\n\n
V\u00e2\u0323t ly\u0301 l\u1edbp 10: ki\u00ea\u0301n th\u01b0\u0301c c\u01a1 ba\u0309n & ba\u0300i t\u00e2\u0323p \u0111i\u00ea\u0309n hi\u0300nh(M\u1edf trong c\u1eeda s\u1ed1 m\u1edbi)<\/p>\n\n\n\n
Ca\u0301ch \u0111o va\u0300 so sa\u0301nh<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Mu\u00f4\u0301i nitrat kh\u00f4ng co\u0300n la\u0300 thu\u00e2\u0323t ng\u01b0\u0303 qua\u0301 xa la\u0323 \u0111\u00f4\u0301i v\u01a1\u0301i nh\u01b0\u0303ng ng\u01b0\u01a1\u0300i t\u01b0\u0300ng ti\u0300m hi\u00ea\u0309u v\u00ea\u0300 ho\u0301a ho\u0323c. \u0110\u00e2y la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng loa\u0323i mu\u00f4\u0301i xu\u00e2\u0301t hi\u00ea\u0323n nhi\u00ea\u0300u kh\u00f4ng chi\u0309 tr\u00ean sa\u0301ch v\u01a1\u0309 ma\u0300 co\u0300n \u01a1\u0309 ca\u0309 th\u01b0\u0323c t\u00ea\u0301. Ta\u0323i chuy\u00ean mu\u0323c l\u00e2\u0300n na\u0300y, Vietlearn se\u0303 cu\u0300ng […]<\/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-933","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\/933","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=933"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/933\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}