3H2 (g) + N2 (g) → 2NH3 (g). How many mols of NH3 are produced if 5.0 mols of H2 reacts?

Answer 1

The first thing we need to find is the mol ratio of H2 : NH3, which is 3 : 2.

So if we have 5 mols of H2, we multiply that by the ratio to find the mols of NH3 : 5 x 2 / 3 = 3.333 mols of NH3.