2 NH3 + 3 CuO --> 3 Cu + N2 + 3 H2O In the above equation how many moles of N2 can be made when 179.9 grams of CuO are consumed?

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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".