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A 0.551 L solution of 1.81 M oxalic acid (Ka1 = 6.5e-2 and Ka2 = 6.1e-5)...

A 0.551 L solution of 1.81 M oxalic acid (Ka1 = 6.5e-2 and Ka2 = 6.1e-5) is titrated with 1.85 M KOH. What will the pH of the solution be when 0.9326 L of the KOH has been added?

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