Problem: Determine the pH of a 0.250 M K2HPO4 solution. Ka1 = 7.5 x 10-3, Ka2 = 6.2 x 10-8 and Ka3 = 4.2 x 10-13.

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Determine the pH of a 0.250 M K2HPO4 solution. Ka1 = 7.5 x 10-3, Ka2 = 6.2 x 10-8 and Ka3 = 4.2 x 10-13.

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