№5,52
SO3+H2O->H2SO4
N2O5+Ca(OH)2->Ca(NO3)2+H2O
MgO+SO3->MgSO4
Na2O+H2O->2NaOH
ZnO+H2O->Zn(OH)2
ZnO+N2O5->Zn(NO3)2
Ba+2H2O->Ba(OH)2+H2
Cu(OH)2->CuO+H2O
Ca(OH)2+SO2->CaSO4+H2
H2SO4+MgO->MgSO4+H2O
3H2SO4+Al2O3->Al2(SO4)3 +3H2O
SO3+2KOH->K2SO4
№5,58
a)2Na+2H2O->2NaOH+H2
NaOH+HNO3->NaNO3+H2O
2K+2H2O->2KOH+H2
2KOH+CO2->K2CO3+H2O
2Ca+O2->2CAo
CaO+H2O->CA(OH)2
Ca(OH)2+2HCI->CaCI2+2H2O