Phosphorus reacts with oxygen to form diphosphorus pentoxide, P2O5P2O5.   4P(s)+5O2(g)⟶2P2O5(s)4P(s)+5O2(g)⟶2P2O5(s)   How many grams of P2O5P2O5 are formed when 4.71 g 4.71 g  of phosphorus reacts with excess oxygen? Show the unit analysis used for the calculation by placing the correct components into the unit-factor slots.   g P2O5g P2O5 4.71 g P×()×()×()=4.71 g P×(1)×(1)×(1)=

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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".