In the reaction below, 7.0 mol of NO and 5.0 mol of O2 are reacted together. The reaction generates 3.1 mol of NO2. What is the percent yield for the reaction? 2 NO (g) + O2 (g) → 2 NO2 (g)

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A: a)     Reactant which have most initial moles = H2

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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".