Question

Расставить коэффициент

Zn+H2SO4=ZnSO4+S+H2O
Zn+H2SO4=ZnSO4+H2S+H2O
S+H2SO4=SO2+H2O
C+H2SO4=SO2+CO2+H2O

Answer 1

3Zn+4H2SO4=3ZnSO4+S+4H2O
4Zn+5H2SO4=4ZnSO4+H2S+4H2O
S+2H2SO4=3SO2+2H2O
C+2H2SO4=2SO2+CO2+2H2O