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9. Polyprotic Acid-Base Equilibria - Part 2 of 2

9. Polyprotic Acid-Base Equilibria / Isoelectric and Isoionic pH / Problem 5

Problem 5

Given the pK_a values of aspartic acid as 2.1, 3.9, and 9.8, calculate its isoelectric point.

A

7.0

B

5.9

C

6.0

D

3.0