Problem: How can you experimentally determine the pKa of acetic acid?a. Determine the pH of the solution 1/4 of the way to the end-point on the pH titration curve for acetic acid.b. Determine the pH of the solution halfway to the end-point on the pH titration curve for acetic acid.c. Determine the pH at the end-point on the pH titration curve for acetic acid.

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Recall that for a weak acid: pH at half-equivalence point = pKa

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Problem Details

How can you experimentally determine the pKa of acetic acid?

a. Determine the pH of the solution 1/4 of the way to the end-point on the pH titration curve for acetic acid.

b. Determine the pH of the solution halfway to the end-point on the pH titration curve for acetic acid.

c. Determine the pH at the end-point on the pH titration curve for acetic acid.