ZnS + O2 → ZnO + SO2 balanceMg3N2 + H2O → MgO + NH3 balance

问题描述:

ZnS + O2 → ZnO + SO2 balance
Mg3N2 + H2O → MgO + NH3 balance

2ZnS+3O2=2ZnO+2SO2
Mg3N2+3H2O=3MgO+2NH3