Question

What coefficient values will balance the reaction?

Mg + O2 ?MgO
A. 1,2,1
B. 1,2,2
C. 2,1,2
D. 1,1,2

Answer 1

B

Step-by-step explanation:

1,2,2

we O2 then we supposed to balance the one that will give Mg+O2-2MgO