Calculate the pH for a buffer made with 230.0 mL of 0.189 M furoic acid (HC5H3O3) and 20.0 mL of 0.292 M sodium furate (NaC5H3O3).  The Ka for furoic acid is 6.67x10-5. Group of answer choices 4.36 2.93 5.05 5.43 3.30 3.99

General Chemistry - Standalone book (MindTap Course List)
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.141QP: Ka for formic acid is 1.7 104 at 25C. A buffer is made by mixing 529 mL of 0.465 M formic acid,...
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Calculate the pH for a buffer made with 230.0 mL of 0.189 M furoic acid (HC5H3O3) and 20.0 mL of 0.292 M sodium furate (NaC5H3O3).  The Ka for furoic acid is 6.67x10-5.
Group of answer choices
4.36
2.93
5.05
5.43
3.30
3.99
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