In a lab, 14g of sodium is reacted with 20g of Oxygen. 4Na + O2+ 2N22O • Which reactant is the limiting reagent? • Which reactant is the excess reagent? • How many grams (theoretical yield) of Na20 are formed? • How much of the excess reactant remains in grams after the reaction?

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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".