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2. Consider the list of acids and their pKa values to the right. What two compounds would be best to use in preparing a pH 9.0 buffer solution? Justify your answer. Assume you have the acids and the a. sodium salts of their conjugate bases available to you. b. What mass ratio of sodium salt to acid is needed to prepare this buffer? c. Can this buffer solution better resist pH changes from a strong acid addition or strong base addition? Justify your answer. pка Acid pK. = НС-Н,0, 4.76 HС-Н,О, 4.20 HCIO, 1.92 НСНО, 3.74 HCN 9.40 acetic benzoic chlorous formic hydrocyanic hydrofluoric hypochlorous monochloroacetic HC,H,CIO, 2.87 HF 3.17 НОСІ 7.53 HNO, 3.29 носсH, 9.80 nitrous phenol

2. Consider the list of acids and their pKa values to the right. What two compounds would be best to use in preparing a pH 9.0 buffer solution? Justify your answer. Assume you have the acids and the a. sodium salts of their conjugate bases available to you. b. What mass ratio of sodium salt to acid is needed to prepare this buffer? c. Can this buffer solution better resist pH changes from a strong acid addition or strong base addition? Justify your answer. pка Acid pK. = НС-Н,0, 4.76 HС-Н,О, 4.20 HCIO, 1.92 НСНО, 3.74 HCN 9.40 acetic benzoic chlorous formic hydrocyanic hydrofluoric hypochlorous monochloroacetic HC,H,CIO, 2.87 HF 3.17 НОСІ 7.53 HNO, 3.29 носсH, 9.80 nitrous phenol

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 2A, 2B, and 2C. The pKa Values are in the separate pic. 

2. Consider the list of acids and their pKa values to the right. What two compounds would be best to use in preparing a pH 9.0 buffer solution? Justify your answer. Assume you have the acids and the a. sodium salts of their conjugate bases available to you. b. What mass ratio of sodium salt to acid is needed to prepare this buffer? c. Can this buffer solution better resist pH changes from a strong acid addition or strong base addition? Justify your answer.
Transcribed Image Text:2. Consider the list of acids and their pKa values to the right. What two compounds would be best to use in preparing a pH 9.0 buffer solution? Justify your answer. Assume you have the acids and the a. sodium salts of their conjugate bases available to you. b. What mass ratio of sodium salt to acid is needed to prepare this buffer? c. Can this buffer solution better resist pH changes from a strong acid addition or strong base addition? Justify your answer.
pка Acid pK. = НС-Н,0, 4.76 HС-Н,О, 4.20 HCIO, 1.92 НСНО, 3.74 HCN 9.40 acetic benzoic chlorous formic hydrocyanic hydrofluoric hypochlorous monochloroacetic HC,H,CIO, 2.87 HF 3.17 НОСІ 7.53 HNO, 3.29 носсH, 9.80 nitrous phenol
Transcribed Image Text:pка Acid pK. = НС-Н,0, 4.76 HС-Н,О, 4.20 HCIO, 1.92 НСНО, 3.74 HCN 9.40 acetic benzoic chlorous formic hydrocyanic hydrofluoric hypochlorous monochloroacetic HC,H,CIO, 2.87 HF 3.17 НОСІ 7.53 HNO, 3.29 носсH, 9.80 nitrous phenol
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