Cobalt reacts with water according the the equation below. When 15.66 grams of cobalt is added to an excess amount water, how many moles of cobalt(III) oxide will be produced by the time the reaction is 51% complete? Report your answer with three significant figures. 2 Co + 3 H2O → Co2O3 + 3 H2

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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".