Question: Citric acid, which is extracted from citrus fruits and pineapples, undergoes three successive deprotonations with pK a values of 3.14, 5.95, and 6.39. Estimate the

Citric acid, which is extracted from citrus fruits and pineapples, undergoes three successive deprotonations with pK_a values of 3.14, 5.95, and 6.39. Estimate the pH of

(a) A 0.15 m aqueous solution of the monosodium salt;

(b) A 0.075 m aqueous solution of the disodium salt.

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