kb of ammonia|Ammonia, NH3, is a weak base with a Kb value of。,leakrape

The conkb of ammoniastants Ka and 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.

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。

The Kb is the equilibrium constant for the reaction of the base ammonia combining with water to produce ammokb of ammonianium, the conjugate acid, and a hydroxide anion (OH-).

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