Problem: a. If the Ka of a monoprotic weak acid is 7.1 x 10 -6, what is the pH of a 0.28 M solution of this acid?b. If the Kb of a weak base is 2.5 x 10 -6, what is the pH of a .49 M solution of this base?

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a. If the Ka of a monoprotic weak acid is 7.1 x 10 -6, what is the pH of a 0.28 M solution of this acid?

b. If the Kb of a weak base is 2.5 x 10 -6, what is the pH of a .49 M solution of this base?

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