Solubility equilibrium is a type of dynamic equilibrium. It exists when a chemical compound in the solid state is in chemical equilibrium with a solution of that compound. The solid may dissolve unchanged, with dissociation or with chemical reaction with another constituent of the solvent, such as acid or alkali. Each type of equilibrium is characterized by a temperature-dependent equilibrium constant. Solubility equilibria are important in pharmaceutical, environmental and many other scenarios.
Read more about Solubility Equilibrium: Definitions, Simple Dissolution, Dissolution With Dissociation, Dissolution With Reaction, Experimental Determination
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—Benjamin Disraeli (1804–1881)