Ammonia reacts with oxygen gas to form nitrogen monoxide and water. If 2.75 moles ammonia react, how many moles of oxygen are needed to react in stoichiometric proportions? (Hint: you need to write a balanced equation for the reaction first.) ________mol O2 What mass of water will be produced? ________g H2O

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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".