Aluminum nitride (AlN) reacts with water to produce ammonia (NH3). Calculate the mass of ammonia formed from 72.1 g of AlN.

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Ijust took the quiz. their is no coefficient needed. : )

given: 100 grams of zinc.the logical first step would be to convert 100 grams of zinc into moles.the molar mass of zinc is  65.38 g/mol.using dimensional analysis:     from the balanced chemical equation, we see that there is 1 mole of  for every mole of  .since this is a 1: 1 ratio, there will be about 1.53 moles of hydrogen produced.