What is the pH at the 2nd half-equivalence point for the titration of 25.0 mL of 0.247 M diprotic weak acid with 0.108 M KOH. The Ka values for this diprotic weak acid are 1.5x10-3 and 2.0x10-6. 9.173 5.699 4.827 3.526

What is the pH at the 2nd half-equivalence point for the titration of 25.0 mL of 0.247 M diprotic weak acid with 0.108 M KOH. The Ka values for this diprotic weak acid are 1.5x10-3 and 2.0x10-6. 9.173 5.699 4.827 3.526

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria

Section17.3: Acid-base Titrations

Problem 2RC: 2. What is the pH at the equivalence point in the titration of 25.0 mL of 0.090 M phenol (Ka = 1.3 ×...

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Question

What is the pH at the 2nd half-equivalence point for the titration of 25.0 mL of 0.247 M
diprotic weak acid with 0.108 M KOH.
The Ka values for this diprotic weak acid are 1.5x10-3 and 2.0x10-6.
9.173
5.699
4.827
3.526

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