Calculate the moles of ammonium phosphate produced by the reaction of  1.9mol of phosphoric acid.  Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.

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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".