Question 19

Question

If the chemical equation below is balanced, what number would go in front of magnesium oxide (MgO)?

__Mg + __O2 → __MgO
A
1

B
2

C
3

D
4

Answer 1

The balanced chemical equation is 2Mg + O2 → 2MgO. Therefore, the number that would go in front of magnesium oxide (MgO) is 2.
B) 2