0 / 6 ptsWhich of the following buffer systems is best for a buffer with [OH–] equal to 1.00 × 10–7 M? Acidity constants for the weak acid in each buffer are given below. CH3CO2H/CH3CO2– (pKa 4.74) H2PO4–/HPO42– (pKa 7.20) CH2ClCO2H/CH2ClCO2– (pKa 2.86) HCO2H/HCO2– (pKa 3.75) All of these buffer systems will work equally well. HCO3–/CO32– (pKa 10.2)
0 / 6 ptsWhich of the following buffer systems is best for a buffer with [OH–] equal to 1.00 × 10–7 M? Acidity constants for the weak acid in each buffer are given below. CH3CO2H/CH3CO2– (pKa 4.74) H2PO4–/HPO42– (pKa 7.20) CH2ClCO2H/CH2ClCO2– (pKa 2.86) HCO2H/HCO2– (pKa 3.75) All of these buffer systems will work equally well. HCO3–/CO32– (pKa 10.2)
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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0 / 6 pts
Which of the following buffer systems is best for a buffer with [OH–] equal to 1.00 × 10–7 M? Acidity constants for the weak acid in each buffer are given below.
CH3CO2H/CH3CO2– (pKa 4.74)
H2PO4–/HPO42– (pKa 7.20)
CH2ClCO2H/CH2ClCO2– (pKa 2.86)
HCO2H/HCO2– (pKa 3.75)
All of these buffer systems will work equally well.
HCO3–/CO32– (pKa 10.2)
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