A solution with an ionic strength of 0.10M containing 0.0100M phenylhydrazine has a pH of 8.13. Using activity coefficicents, find pka for the phenylhydrazinium ion found in phenylhydrazine hydrochloride. Assume that yBH + = 0.80.***(the pka answer for the phenylhydrazinium ion found in phenylhydrazine hydrochloride is 4.28, do not use this value in calculations, it is the final answer). *** please show all steps and formulas to acheive a final answer of pKa = 4.28 :)

A solution with an ionic strength of 0.10M containing 0.0100M phenylhydrazine has a pH of 8.13. Using activity coefficicents, find pka for the phenylhydrazinium ion found in phenylhydrazine hydrochloride. Assume that yBH + = 0.80.(the pka answer for the phenylhydrazinium ion found in phenylhydrazine hydrochloride is 4.28, do not use this value in calculations, it is the final answer). please show all steps and formulas to acheive a final answer of pKa = 4.28 :)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

A solution with an ionic strength of 0.10M containing 0.0100M phenylhydrazine has a pH of
8.13. Using activity coefficicents, find pka for the phenylhydrazinium ion found in
phenylhydrazine hydrochloride. Assume that yBH + = 0.80. ***(the pka answer for the
phenylhydrazinium ion found in phenylhydrazine hydrochloride is 4.28, do not use this value in
calculations, it is the final answer). *** please show all steps and formulas to acheive a final
answer of pKa = 4.28 :)

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Step 1: Introduce the Henderson-Hasselbalch Equation:

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