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Calculate the pH of a mixture that contains 0.25 M of HCOOH and 0.17 M of...

Calculate the pH of a mixture that contains 0.25 M of HCOOH and 0.17 M of HC6H5O. The Ka of HCOOH is 1.8 × 10^-4 and the Ka of HC6H5O is 1.3 × 10^-10.

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