Given - 1P4 (s) + 5O2 (g) —> 1 P4O10 (g) a) calculate the mass of P4 (s) required to produce 3.22x10^23 molecules of P4O10 b) calculate the number of O2 molecules required to react completely with 1.00g P4.

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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".