## Question

###### The pH of a 1.3 M solution of 4-pyridinecarboxylic acid (HC 6H_NO2) is measured to be 2.42Calculate the acid dissociation constant Ka of 4-pyridinecarboxylic acid. Round your answer to 2 significant digits.

The pH of a 1.3 M solution of 4-pyridinecarboxylic acid (HC 6H_NO2) is measured to be 2.42 Calculate the acid dissociation constant Ka of 4-pyridinecarboxylic acid. Round your answer to 2 significant digits.

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