Consider the compound QX3, where Q has a molar mass of 42.11 g/mol and X is 15.07 g/mol. A hydrate of this compound forms in which the water makes up 59.09% of the hydrates composition by mass. Determine the empirical formula.

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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".