17 mol O2 10. What is the percentage yield of ammonia when 14.0 g of N2 gas reacts with 5.0 g of H₂ to produce 12.0 g of NH3? Molecular weights: N₂- 28.02 g/mol, H₂= 2.02 g/mol, NH3 17.04 g/mol N₂ + H₂ → NH3 A) 63.2 % C) 70.5% B) 42.9% D) 55.8 %

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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".