Answered: What volume of 0.12M HCN and 0.13M CN-…

What volume of 0.12M HCN and 0.13M CN- would be required prepare 500mL of pH =9 buffer? The pKa of the weak acid is 9.21

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 12QAP: A buffer is prepared by dissolving 0.062 mol of sodium fluoride in 127 mL of 0.0399 M hydrofluoric...

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What volume of 0.12M HCN and
0.13M CN- would be required prepare
500mL of pH =9 buffer? The pKa of
the weak acid is 9.21
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