Question

In Chemical Equation : 1. Fe + H2 0 —> Fe3 O4 + H2
2. FeSO4 —> Fe2 O3 + SO2 + SO2
Why In One Equation Its Fe3 O4 and In One Fe2 O3 ? Which Factors Helps Us To Know Whether To Write Fe3 O4 Or Fe2 O3 ?

Answer 1

Answer:

3Fe + 4H2O → Fe3O4 + 4H2

Hope it helps you