Buffer solutions resist dramatic changes in pH due to the presence of a weak acid-conjugate base pair present in the solution.  However, the combination of 20.0mL of 0.30M HC2H3O2 and 10.0mL of 0.30M NaOH also produces an excellent buffer solution. How? Provide a thorough explanation that explains the apparent discrepancy.  (Using calculations and reactions to support your explanation is encouraged. Feel free to use another page if additional space in needed.) The Ka of HC2H3O2 is 1.8x 10-5.

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
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 9ALQ: Consider a solution formed by mixing 100.0 mL of 0.10 M HA (Ka = 1.0 106), 100.00 mL of 0.10 M NaA....
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Buffer solutions resist dramatic changes in pH due to the presence of a weak acid-conjugate base pair present in the solution.  However, the combination of 20.0mL of 0.30M HC2H3O2 and 10.0mL of 0.30M NaOH also produces an excellent buffer solution. How? Provide a thorough explanation that explains the apparent discrepancy.  (Using calculations and reactions to support your explanation is encouraged. Feel free to use another page if additional space in needed.) The Ka of HC2H3O2 is 1.8x 10-5

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