1. Consider the production of phosphorus trichloride (PCI,) from phosphorus (P) and chlorine (Cl,) P49) + 6 Cl) + 4 PCl30) If 25.0 grams of P, (molar mass=123.88 g/mol) and 25.0 grams of Cl, (molar mass=70.9 g/mol) are used in the reaction, determine the following. a. Which is the limiting and excess reagent? b. What is the mass of excess reagent?

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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".