7 Air bags in automobiles inflate when sodium azide, NaN3, rapidly decomposes to its component elements: NaN3 Na N2 (a) Balance the equation (b) How many moles of nitrogen are formed by the decomposition of 2.2 mole of NaN3? (c) How many grams of NaN3 are required to form 28g of N2 gas?

Q: limiting reagent

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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".