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(Solved): The pH of a 0.91 M solution of 4-pyridinecarboxylic acid (HC6H4NO2)is measured to be 2.50. Calcul ...



The pH of a 0.91 M solution of 4-pyridinecarboxylic acid (HC6H4NO2)is measured to be 2.50. Calculate the acid dissociation constant Ka of 4-pyridinecarboxylic acid. Round your answer to 2 significant digits.



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