A sodium hydrogen carbonate/sodium carbonate buffer system is to be prepared with a pH of 9.7. The relevant pKa value can be obtained from your textbook.What is the [HCO3-]/[CO32-] ratio in this buffer solution?What volume of 0.198 M NaHCO3 must be added to 765 mL of a 0.123 M Na2CO3 to obtain this pH?What volume of 0.089 M HCl must be added to 765 mL of 0.123 M Na2CO3 to obtain this pH?part 3 please

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Answered: A sodium hydrogen carbonate/sodium…

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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A sodium hydrogen carbonate/sodium carbonate buffer system is to be prepared with a pH of 9.7. The relevant pK_a value can be obtained from your textbook.

What is the [HCO₃^-]/[CO₃^2-] ratio in this buffer solution?
What volume of 0.198 M NaHCO₃ must be added to 765 mL of a 0.123 M Na₂CO₃ to obtain this pH?
What volume of 0.089 M HCl must be added to 765 mL of 0.123 M Na₂CO₃ to obtain this pH?

part 3 please

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