chloric acid + barium hydroxide →    barium chlorate + water When 1.9 × 1022 particles of water are produced, 2.7 grams of barium hydroxide were reacted. What is the percent yield of this 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".