The local anesthetic ethyl chloride (C 2H 5Cl, molar mass 64.51 g/mol) can be prepared by reaction of ethylene (C 2H 4, molar mass 28.05 g/mol) with HCl (molar mass 36.46 g/mol), according to the balanced equation, C 2H 4 + HCl-------> C 2H 5Cl. a. If 8.00 g of ethylene and 12.0 g of HCl are used, how many moles of each reactant are used? b. What is the limiting reactant? c. How many moles of product are formed? d. How many grams of product are formed? e. If 10.6 g of product are formed, what is the percent yield of the 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".