a) SO3, SO2 , CAO
SO3+H2O → H2SO4
SO2 +H2O ↔ H2SO3
CaO + H2O → CA(OH)2
B) NO , CaO,MgO
2NO + 2HCl →2 NOCl +H2O
CaO +2 HCl → CaCl2 +H2O
MgO +2HCl → MgCl2+H2O
C) SO3, CO2,NO
SO3 +2 NaOH → Na2SO4 +H2O
CO2+ 2NaOH → Na2CO3+H2O
a) Tác dụng với H2O: SO3, CO2, CaO
b) Tác dụng với dd HCl: CaO, MgO
c) Tác dụng với dd NaOH: SO3, CO2
PTHH:
1) H2O + SO3 → H2SO4
2) H2O + CO2 → H2CO3
3) H2O + CaO → Ca(OH)2
4) 2HCl + CaO → CaCl2 + H2O
5) 2HCl + MgO → MgCl2 + H2O
6) 2NaOH + SO3 → Na2SO4 + H2O
NaOH + SO3 → NaHSO4
7) 2NaOH + CO2 → Na2CO3 + H2O
NaOH + CO2 → NaHCO3
a) SO3, CO2,CaO
p: H2O + SO3->H2SO4
H2O +CO2-> H2CO3
H2O +CaO-> Ca(OH)2
b) CaO, MgO
CaO +2HCl -> CaCl2 +H2
MgO +2HCl-> MgCl2 + H2
C) SO3, CO2
SO3 + 2NaOH -> Na2SO4 + H2O
CO2 + 2NaOH -> Na2CO3 +H2O
a/
SO3+ H2O\(\rightarrow\) H2SO4
CO2+ H2O\(\rightarrow\) H2CO3
CaO+ H2O\(\rightarrow\)Ca(OH)2
b/
CaO+ 2HCl\(\rightarrow\) CaCl2+ H2O
MgO+ 2HCl\(\rightarrow\) MgCl2+ H2O
c/
SO3+ NaOH\(\rightarrow\) NaHSO4
CO2+ NaOH\(\rightarrow\) NaHCO3
