For the following reaction, 5.21 grams of water are mixed with excess diphosphorus pentoxide. The reaction yields 17.2 grams of phosphoric acid.  diphosphorous pentoxide(s)+water(l)=phosphoric acid(aq)  what is the theoretical yield of phosphoric acid?

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Q: The balance

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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".