Question

3 Co3O4 + H2SO4 ->
4 GeCl4 + H2O ->
5 CdО+NH3+H2O ->

Answer 1

Ответ:

3 Co3O4 + 8 H2SO4 → 3 Co2(SO4)3 + 4 H2O + 2 SO2↑

GeO2 + 4 HCl → GeCl4 + 2 H2O

5 CdO + 4 NH3 + H2O → 5 Cd(NH2)2 + H2O