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Ionization Constant in AP Biology

Written by the Fiveable Content Team
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team

Definition

The ionization constant, or acid dissociation constant (Ka), measures the strength of an acid in solution. It is the equilibrium constant for the chemical reaction known as dissociation in the context of acid-base reactions.

AP course connection

Topic 2.8: 2.8 Mechanisms of Transport

Unit 2

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