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A solution containing 0.15 M sodium ascorbate, NaC6H7O6, has a pH of 8.65. What is the Kb for the ascorbic acid?

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases

Section: Chapter Questions

Problem 116IL: Amino acids are an important group of compounds. At low pH, both the carboxylic acid group (CO2H)...

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

A solution containing 0.15 M sodium ascorbate, NaC₆H₇O₆, has a pH of 8.65. What is the K_b for the ascorbic acid?

Expert Solution

Step 1

Given: Concentration of NaC₆H₇O₆ = 0.15 M

And pH of solution = 8.65

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