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Answer the remaining questions: 7. Give an example of a sodium salt that would be a conjugate base for a buffer solution containing the weak acid HCN. 8. Write the chemical equation associated with this weak base dissociating in water. 9. Write the Kb expression for this reaction. 10. Calculate the pH of a 1.0M solution of this salt. Ka= 6.2x10-10 for HCN.

Answer the remaining questions: 7. Give an example of a sodium salt that would be a conjugate base for a buffer solution containing the weak acid HCN. 8. Write the chemical equation associated with this weak base dissociating in water. 9. Write the Kb expression for this reaction. 10. Calculate the pH of a 1.0M solution of this salt. Ka= 6.2x10-10 for HCN.

Chemistry
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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**Answer the remaining questions:** 7. Give an example of a sodium salt that would be a conjugate base for a buffer solution containing the weak acid HCN. ____________________ 8. Write the chemical equation associated with this weak base dissociating in water. ____________________ 9. Write the Kb expression for this reaction. ____________________ 10. Calculate the pH of a 1.0 M solution of this salt. \( K_a = 6.2 \times 10^{-10} \) for HCN. ____________________
Transcribed Image Text:**Answer the remaining questions:** 7. Give an example of a sodium salt that would be a conjugate base for a buffer solution containing the weak acid HCN. ____________________ 8. Write the chemical equation associated with this weak base dissociating in water. ____________________ 9. Write the Kb expression for this reaction. ____________________ 10. Calculate the pH of a 1.0 M solution of this salt. \( K_a = 6.2 \times 10^{-10} \) for HCN. ____________________
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