The balanced equation below describes one method of making AlCl. 5.40 grams of Al and 5.33 grams of HCI are mixed together. 2A|(s) + 6HC| (g) -> 2AIC|g(s) + 3H2(g). Determine the mass in grams of the excess reactant that is unused (remains) after the reaction is complete. Provide the correct number of significant figures. Do not include the units in your answer

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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".