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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
CTHH | Phân loại | Gọi tên |
K2O | Oxit | Kali oxit |
Mg(OH)2 | Bazơ | Magie hiđroxit |
H2SO4 | Axit | Axit sunfuric |
AlCl3 | Muối | Nhôm clorua |
Na2CO3 | Muối | Natri cacbonat |
CO2 | Oxit | Cacbon đioxit |
Fe(OH)3 | Bazơ | Sắt (III) hiđroxit |
HNO3 | Axit | Axit nitric |
K3PO4 | Muối | Kali photphat |
HCl | Axit | Axit clohiđric |
H2S | Axit | Axit sunfuhiđric |
CuO | Oxit | Đồng (II) oxit |
Ba(OH)2 | Bazơ | Bari hirđoxit |
\(K_2O:\) oxit bazo: kali oxit
\(Mg\left(OH\right)_2:\) bazo: magie hidroxit
\(H_2SO_4:\) axit: axit sunfuric
\(AlCl_3:\) muối: nhôm clorua
\(Na_2CO_3:\) muối: natri cacbonat
\(CO_2:\) oxit axit: cacbon đioxit
\(Fe\left(OH\right)_3:\) bazo: sắt (lll) hidroxit
\(HNO_3:\) axit: axit nitric
\(K_3PO_4:\) muối: kali photphat
\(HCl:\) axit: axit clohidric
\(H_2S:\) axit: axit sunfuro
\(CuO:\) oxit bazo: đồng (ll) oxit
\(Ba\left(OH\right)_2\): bazo: bari hidroxit
![](https://rs.olm.vn/images/avt/0.png?1311)
PTHH (1), (2), (3), (5), (8) đã cân bằng
\(\left(4\right)Ca\left(OH\right)_2+H_2SO_4\rightarrow CaSO_4+2H_2O\)
\(\left(6\right)Al\left(OH\right)_3+3HCl\rightarrow AlCl_3+3H_2O\)
\(\left(7\right)MnO_2+4HCl\rightarrow MnCl_2+Cl_2+2H_2O\)
\(\left(9\right)P_2O_5+3H_2O\rightarrow2H_3PO_4\)
\(\left(10\right)2Fe\left(OH\right)_3\underrightarrow{t^o}Fe_2O_3+3H_2O\)
CaO + CO2 → CaCO3
CaO + H2O → Ca(OH)2
CaCO3 + H2O + CO2 → Ca(HCO3)2
Ca(OH)2 + H2SO4 → CaSO4 + 2H2O
Fe + H2SO4 → FeSO4 + H2
2Al(OH)3 + 6HCl → 2AlCl3 + 6H2O
MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O
H2SO4 + Na2CO3 → Na2SO4 + CO2 + H2O
P2O5 + 3H2O → 2H3PO4
2Fe(OH)3 \(\underrightarrow{to}\) Fe2O3 + 3H2O
![](https://rs.olm.vn/images/avt/0.png?1311)
Đơn chất:
-Phi kim:
+He->4(đvC)
+Cl2->35,5*2=71(đvC)
+F2->19*2=38(đvC)
+Br2->80*2=160(đvC)
-Kim loại:
+Ag->108(đvC)
+Fe->56(đvC)
Hợp chất:
-CO2->12+16*2=44(đvC)
-K2PO4->39*3+31+16*4=212(đvC)
-BaSO4->137+32+16*4=233(đvC)
-CuSO4->64+32+16*4=160(đvC)
-FeCl2->56+71=127(đvC)
-Na2O->62(đvC)
-HCl->36,5(đvC)
-H2S->34(đvC)
-Mg(NO3)3->148(đvC)
-Al(NO3)3->213(đvC)
-CaCO3->100(đvC)
-Ba(OH)2->172(đvC)
-H2SO4->98(đvC)
-KClO3->122,5(đvC)
-HBr->81(đvC)
-CaClO->91,5(đvC)
![](https://rs.olm.vn/images/avt/0.png?1311)
Oxit bazo : \(CaO,Na_2O\)
Oxit axit : \(SO_2,SO_3,N_2O_5\)
Axit : \(HNO_3,HNO_2\)
Bazo : \(Fe(OH)_3,Al(OH)_3\)
Muối : \(FeS,CaSO_3,KHCO_3,FeHPO_4,Fe(NO_3)_2,Fe(NO_3)_3,NaH_2PO_4,Na_2HPO_4\)
\(\text{Oxit axit : }\) \(SO_2,SO_3,N_2O_5\)
\(\text{Oxit bazo : }\)\(CaO,Na_2O\)
\(\text{Axit : }\)\(HNO_3,HNO_2\)
\(\text{Bazo : }\)\(Fe\left(OH\right)_3,Al\left(OH\right)_3\)
\(\text{Muối : }\) \(FeS,CaSO_3,KHCO_3,FeHPO_4,Fe\left(NO_3\right)_2,Fe\left(NO_3\right)_3,NaH_2PO_4,NaHPO_4\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(Oxitbazo:CuO,Fe_2O_3\\ Oxitaxit:SO_3,SO_2\\Bazo:NaOH,Fe\left(OH\right)_2,KOH,Mg\left(OH\right)_2\\ Axit:HCl,H_3PO_4,H_2SO_4\\ Muối:KNO_3,BaCl_2,CuSO_4,CaCl_2\)
Oxit: \(CuO,SO_3,SO_2,Fe_2O_3\)
Axit: \(HCl,H_3PO_4,H_2SO_4\)
Bazơ: \(NaOH,Fe\left(OH\right)_2,KOH,Mg\left(OH\right)_2\)
Muối: \(KNO_3,BaCl_2,CuSO_4,CaCl_2\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Chất | Phân loại | Tên |
Mg(HCO3)2 | Muối axit | Magie hiđrocacbonat |
Fe2O3 | Oxit bazơ | Sắt (III) oxit |
Ca(OH)2 | Bazơ | Canxi hiđroxit |
Fe2(SO4)3 | Muối trung hòa | Sắt (III) sunfat |
M : Mg(HCO3)2 : magiê hidrocabonat
Fe2(SO4)3: sắt III sunfat
OB: Fe2O3 : sắt III oxit
BZ: Ca(OH)2: canxi hidroxit
![](https://rs.olm.vn/images/avt/0.png?1311)
$\rm u)S + 2HNO_3 \rightarrow H_2SO_4 + 2NO \uparrow$
$\rm v)3Ba(NO_3)_2 + Al_2(SO_4)_3 \rightarrow 3BaSO_4 \downarrow + 2Al(NO_3)_3$
$\rm w)3Ba(OH)_2 + P_2O_5 \rightarrow Ba_3(PO_4)_3 \downarrow + 3H_2O$
$\rm x)2Fe_2O_3 + 3C \xrightarrow{t^o} 4Fe + 3CO_2 \uparrow$