hi please can someone help me with this question
9 1.12 g of iron reacts with oxygen to form 1.60 g of an oxide of iron.
Use relative atomic masses: Fe = 56, O = 16.
What is the formula of this oxide of iron?
A FeO5
B Fe2O10
C Fe3O2
D Fe2O3
i originally got a but it is wrong and i don't know why
thanks