30.The first step in the Ostwald process for producing nitric acid is 4NH₂(g) +50₂(g) → 4NO(g) + 6H₂O(g). If the reaction of 150. g of ammonia with 150. g of oxygen gas yields 87. g of nitric oxide (NO), what is the percent yield of this reaction? A) 100% B) 49% C) 77% D) 33% E) 62%

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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".