Suppose you perform a titration of a diprotic acid and you determine the following information: pH...

Question

Question

Suppose you perform a titration of a diprotic acid and you determine the following information:

pH at first equivalence point: 4.15

pH at second equivalence point: 8.12

pH at first half-equivalence point: 2.22

pH at second half-equivalence point: 6.73

What is pKa2 for this unknown acid?

Enter your answer numerically to three significant figures.

Answer 1

Answer #1

Answer 2

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