kb of ammonia|7.12: Relationship between Ka, Kb, pKa, and pKb,shemaletu e

– Consider the base dissociation-constant expression for ammonia and the acid dissociation constant expression for its conjugate acid, ammonium ion:

Ammonia (NH3) is a gas thakb of ammoniat readily dissolves in water and behaves as a base. The ammonia equilibrium is describe with the equation NH3 + H2O = NH4(+) + OH(-).。

The constants Ka andkb of ammonia Kb are related as shown in Equation 16.5.10. The pKa and pKb for an acid and its conjugate base are related as shown in Equation 16.5.15 and Equation 16.5.16.

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