Question

21.0 mL of 0.125 M diprotic acid (H2A) was titrated with 0.1021 M KOH. The acid ionization constants for the acid are Ka1=5.2×10?5 and Ka2=3.4×10?10. At what added volume of base does the first equivalence point occur?

Name: 210 ml of 0125 m diprotic acid h2a was titrated with 01021 m koh the acid ionization constants for the acid are ka152105 and ka2341010 at what added volume of base does the first equivalence point occ
Uploaded: 2021-11-13T05:31:54-08:00
Duration: 1 min 53 s
Channel: Hitendra Singh
Description: 210 ml of 0125 m diprotic acid h2a was titrated with 01021 m koh the acid ionization constants for the acid are ka152105 and ka2341010 at what added volume of base does the first equivalence point occ

          21.0 mL of 0.125 M diprotic acid (H2A) was titrated with 0.1021 M KOH. The acid ionization constants for the acid are Ka1=5.2×10?5 and Ka2=3.4×10?10.
At what added volume of base does the first equivalence point occur?

Added by Rawr X.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Chapter 17

Instant Answer

Solved by Expert Hitendra Singh

11/13/2021

Step 1

The diprotic acid \( \text{H}_2\text{A} \) can donate two protons, and the titration with KOH will occur in two stages. The first stage involves the neutralization of the first proton: \[ \text{H}_2\text{A} + \text{OH}^- \rightarrow \text{HA}^- + Show more…

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21.0 mL of 0.125 M diprotic acid (H2A) was titrated with 0.1021 M KOH. The acid ionization constants for the acid are Ka1=5.2×10?5 and Ka2=3.4×10?10. At what added volume of base does the first equivalence point occur?