14. If the pH at half way to the first equivalence point is 3.20, pH at first and second equivalence points of a diprotic acid are 7.20 and 13.45, respectively, which of the following is correct? a. Kaj = 7.20 b. pKaj = 13.45 с. рКај 3D 3.20 d. pKaj = 9.45 e. pKaj = 7.20

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Chapter15: Acid-base Equilibria
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14. If the pH at half way to the first equivalence point is 3.20, pH at first and second equivalence points of a
diprotic acid are 7.20 and 13.45, respectively, which of the following is correct?
a. Kaj = 7.20
%3D
b. pKaj = 13.45
c. pKaj = 3.20
d. pKaj = 9.45
%3D
e. pKaj = 7.20
%3D
Transcribed Image Text:14. If the pH at half way to the first equivalence point is 3.20, pH at first and second equivalence points of a diprotic acid are 7.20 and 13.45, respectively, which of the following is correct? a. Kaj = 7.20 %3D b. pKaj = 13.45 c. pKaj = 3.20 d. pKaj = 9.45 %3D e. pKaj = 7.20 %3D
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