How many molecules of ammonia can be produced from 15.0 moles of N2?

N2 + 3 H2 → 2 NH3

The answer to your question is 30 moles of Ammonia

Explanation:

Data

moles of N₂ = 15

Balanced chemical reaction

                 N₂  +  3 H₂  ⇒  2 NH₃

- Process

1.- Use proportions and cross multiplication to solve this problem

                1 mol of Nitrogen 2 moles of ammonia

                15 moles of Nitrogen x

                 x = (15 x 2) / 1

                 x = 30 / 1

                x = 30 moles of Ammonia

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