Stoichiometry Map

Question

2ZnS + 3O2 —> 2ZnO + 2SO2

Answer 1

You're probably supposed to write the mole conversion ratios, like:

2 mol ZnS = 3 mol O2

2mol ZnS = 2 mol ZnO

2 mol ZnS = 2 mol SO2

and then do that for the rest of them.