When the equation Fe + O2→Fe2O3 is balanced, the coefficient for O2 is:
A. 4
B. 3
C. 1
D. 2
D?
2 answers
4Fe + 3O2→ 2Fe2O3
OK GOT IT. IS B?
A. 4
B. 3
C. 1
D. 2
D?
2 answers