A chemist titrates 50.0 mL. of a 0.6803 M benzoic acid (HC,H, CO₂) solution with 0.2885 M NaOH solution at 25 °C. Calculate the pH at equivalence. The pk of benzoic acid is 4.20. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of NaOH solution added.

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Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.149QP: A solution of weak base is titrated to the equivalence point with a strong acid. Which one of the...
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A chemist titrates 50.0 mL of a 0.6803 M benzoic acid (HC, H,CO₂) solution with 0.2885 M NaOH solution at 25 °C. Calculate the pH at equivalence. The
PK, of benzoic acid is 4.20.
Round your answer to 2 decimal places.
Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of NaOH solution added.
Transcribed Image Text:A chemist titrates 50.0 mL of a 0.6803 M benzoic acid (HC, H,CO₂) solution with 0.2885 M NaOH solution at 25 °C. Calculate the pH at equivalence. The PK, of benzoic acid is 4.20. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of NaOH solution added.
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