kb of ammonia|Calculation of pH of Ammonia (NH3) ,xxx black

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。

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

Find the relative strength of acids and bases using this chart that includes the K a value for reference. The chakb of ammoniart lists ammonia as a weak base with a K a value of 5.8 * 10 -10.

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