Kw (Water Dissociation Constant)
Definition
The water dissociation constant, Kw, is the equilibrium constant for the self-ionization of water into hydrogen ions and hydroxide ions. It's a measure of the concentration of these ions in pure water at a specific temperature.
Related terms
Autoprotolysis: The process by which water ionizes itself into hydrogen and hydroxide ions.
Equilibrium Constant (K): A number that expresses the relationship between the amounts of products and reactants present at equilibrium in a chemical reaction.
pH Scale: A logarithmic scale used to specify the acidity or basicity/alkalinity of an aqueous solution.
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Study guides (1)
AP Chemistry - 8.2 pH and pOH of Strong Acids and Bases
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