Question 19
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
The balanced chemical equation is 2Mg + O2 → 2MgO. Therefore, the number that would go in front of magnesium oxide (MgO) is 2.
B) 2