Calculate the pH of a buffer solution prepared by dissolving 0.25 mol benzoic acid (CH,COOH) and 0.15 mol sodium benzoate (CaHCOONa) in 1.00 L of solution. (K, = 6.3 x 105)

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter14: Acid-base Equilibria
Section: Chapter Questions
Problem 98E: Calculate the pH of a buffer solution prepared from 0.155 mol of phosphoric acid, 0.250 mole of...
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Calculate the pH of a buffer solution prepared by dissolving 0.25 mol benzoic acid (CH₂COOH) and 0.15 mol sodium benzoate (CH,COONa) in 1.001
of solution. (K₂ = 6.3 x 10³)
Select one:
O a. 4.41
O b.
2.39
O c. 3.98
O d. 10.03
Transcribed Image Text:Calculate the pH of a buffer solution prepared by dissolving 0.25 mol benzoic acid (CH₂COOH) and 0.15 mol sodium benzoate (CH,COONa) in 1.001 of solution. (K₂ = 6.3 x 10³) Select one: O a. 4.41 O b. 2.39 O c. 3.98 O d. 10.03
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