Ammonia (NH3) clouds are present around some planets. Calculate the number of grams of ammonia produced by the reaction of 5.4 g of hydrogen with an excess of nitrogen N2 + 3 H2 -> 2 NH3

30.6 g of ammonia are produced.

given

mass of hydrogen =5.4 gram

mass of NH3=?

we have

3 moles of H2=2 moles of NH3

3×2g of H2=2×(14+3) g of NH3

6 g of H2=34 g of NH3

5.4 g of H2=34×5.4/6=30.6 g of NH3

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