Question

How many moles of O2 would be needed to produce 3.2 moles Fe2O3?

Answer 1

Answer:

0.533 mol O2

Explanation:

4 Fe3O4 + O2 -> 6 Fe2O3

1 mol O2  -> 6 mol Fe2O3

           x   -> 3.2 mol Fe2O3

x = (3.2 mol Fe2O3 * 1 mol O2)/ 6 mol Fe2O3

x= 0.533 mol O2