kb of ammonia|Acid and Base Dissociation Constants (Ka and Kb),せっくす企画

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

Compare the values of the base dissociation constant for ammonia and methylamine: K b (ammonia) = 1.8 × 10 -5 (smaller) K b (methanamine) = 4.4 × 10 -4 (larger) At 25°C, using。

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

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