a) Use the molecular formula of sodium azide to calculate the percent composition of nitrogen in the compound. (show all your calculations, units and significant figures are important) b) Find the oxidation states of sodium and nitrogen in sodium azide.

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A:

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".