Mg3N2(s) + 3H2O(l) ---> 3MgO(s) + 2NH3(aq) a) If this reaction required 21.8 g of water to react, how many grams of NH3 were produced? b) Calculate the percent yield if 8.76 g of magnesium nitride is consumed and 9.44 g of magnesium oxide is produced. c) Calculate how many grams of H2O are consumed if 4.43 x 1024 molecules of Mg3N2 react assuming that the reaction has a 100% yield.

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A: The correct options are as follows:

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A: Solution -

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".