Consider a compound that produces 5.0 g Al and 19.7 g Cl a. What is the empirical formula of this compound?  b. If the molar mass of the compound is 266.66 g/mol, what is the molecular formula? c. What is the mass percent of Cl in this compound?

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Q: empirical

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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".