Question

Химия помогите

CaO+H2O=

Ca(OH)2+CO2=

K2O+?=?+H2O

LiO+?=LiNO2+H2O

SO2+NaOH=?+?


SO3+?=K2So4+H2O

Answer 1

1)CaO+H2O=Са(OH)2

2)Ca(OH)2+CO2=CaCO3↓+Н2О

3)K2O+2HCl=2KCl+H2O

4)Li2O+2HNO2=2LiNO2+H2O

5)SO2+2NaOH=Na2SO3+H2O

6)SO3+2KOH=K2SO4+H2O