Question

# 18.0-mL sample of 0.126 M diprotic acid (H2A) solution is titrated with 0.1040 M KOH. The...

18.0-mL sample of 0.126 M diprotic acid (H2A) solution is titrated with 0.1040 M KOH. The acid ionization constants for the acid are Ka1=5.2×10−5 and Ka2=3.4×10−10.

Part A

At what added volume of base does the first equivalence point occur?

Part B

At what added volume of base does the second equivalence point occur?

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