Hydrazine, N2H4, is a liquid with many industrial purposes, including the synthesis of herbicides and pharmaceuticals. It is made from urea in the following reaction at 100 °C. NH2CONH2 + NaOCl + 2NaOH → N2H4 + NaCl + Na2CO3 + H2O If the percent yield for the reaction is 90.6%, how many kilograms of hydrazine, N2H4, are formed from the reaction of 243.6 kg of urea, NH2CONH2, with excess sodium hypochlorite and sodium hydroxide?

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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".