A buffer is made up of 2.0 mL of 0.1 M HC2H3O2 and 20.0 mL of 0.1 M N a C2H3O2. The pH of the buffer solution is 4.77. What is the pKą? HINT : Use pH = pKa + log ([B minus]/[HB]) or, if concentrations are the same, pH = pKa + log (Volume of B minus/ Volume of HB)
A buffer is made up of 2.0 mL of 0.1 M HC2H3O2 and 20.0 mL of 0.1 M N a C2H3O2. The pH of the buffer solution is 4.77. What is the pKą? HINT : Use pH = pKa + log ([B minus]/[HB]) or, if concentrations are the same, pH = pKa + log (Volume of B minus/ Volume of HB)
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
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 121CP: A buffer is made using 45.0 mL of 0.750 M HC3H5O2 (Ka = 1.3 105) and 55.0 mL of 0.700 M NaC3H5O2....
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![A buffer is made up of 2.0 mL of 0.1 M HC2H3O2 and 20.0 mL of 0.1 M N a C2H3O2. The pH of the buffer solution is 4.77. What is the
pKą?
HINT : Use pH = pKa + log ([B minus]/[HB]) or, if concentrations are the same, pH = pKa + log (Volume of B minus/ Volume of HB)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8c8d8a42-8de4-4466-9c46-ae253053e314%2F4e8f1b50-99c1-46d7-84f3-2eebc71a97dc%2Frxbjroh.png&w=3840&q=75)
Transcribed Image Text:A buffer is made up of 2.0 mL of 0.1 M HC2H3O2 and 20.0 mL of 0.1 M N a C2H3O2. The pH of the buffer solution is 4.77. What is the
pKą?
HINT : Use pH = pKa + log ([B minus]/[HB]) or, if concentrations are the same, pH = pKa + log (Volume of B minus/ Volume of HB)
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