Respuesta :
Answer:
D. 4, 3, 2.
Explanation:
Oxygen exists as the molecule O2. So it is:
4Fe + 302 ---> 2Fe2O3
D. 4, 3, 2. Personally I think its the best answer sis. you can never go wrong with D
Answer:
D. 4, 3, 2.
Explanation:
Oxygen exists as the molecule O2. So it is:
4Fe + 302 ---> 2Fe2O3