Question

In the reaction ______ H2 + N2 ----> 2 NH3, what coefficient should be placed in front of H2 to balance the reaction?

a. 1
b. 2
c. 3
d. no coefficient is needed.

Answer 1

Your answer is 3.

3H2 + N2 → 2 NH3

Answer 2

D. no coefficient is needed.