Oxygen gas can be produced by the decomposition of solid NaNO3. The equation for this reaction is: 2NaNO3= 2NaNO2 + O2 how many grams of NaNO3 is required to produce 124 grams O2?

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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".