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The Law of Mass Action, also referred to as the Law of Chemical Equilibrium, states that the equilibrium constant for a chemical reaction is equal to the ratio of the molar concentrations of the products to the molar concentrations of the reactants, each raised to their respective stoichiometric coefficients. The equilibrium constant is a quantitative measure of the extent to which a reaction proceeds towards completion and can be used to predict the relative amounts of reactants and products present at equilibrium. Mathematically, the Law of Mass Action can be expressed as: K = [Products]/[Reactants], where K represents the equilibrium constant, and [Products] and [Reactants] represent the molar concentrations of the products and reactants, respectively, at equilibrium. This law provides a fundamental understanding of chemical equilibrium and its applications in predicting reaction outcomes and controlling reaction conditions.