State what was the concentration of the lactid acid

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A solution of lactic acid, HC3H5O3, on a laboratory shelf was of undetermined concentraton. If the pH of the solution was found to be 2.51, what was the concentration of the lactid acid? The Ka of lactic acid is 1.4x10^-4. Im not looking for a numerical answer as much as I am a understanding of how to work this problem

Reference no: EM13165258

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