What is the nature of salt of a weak acid and weak base?

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Solution

A salt formed between a weak acid and a weak base can be neutral, acidic, or basic depending on the relative strengths of the acid and base.
If Ka(cation) > Kb(anion) the solution of the salt is acidic.
If K_a(cation) = K_b(anion) the solution of the salt is neutral.
If K_a(cation) < K_b(anion) the solution of the salt is basic..

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