# Stoichiometry

posted by
**C.J.**
.

How many grams of ZnO is needed to make 6.8 g of ZnCl2.

Change 6.8 g ZnCl2 to mols. One mol ZnO is needed to make 1 mol ZnCl2. Change mols ZnO to g ZnO. Post your work if you get stuck.