Benzoic acid, HC7H5O2, and its salts are used as food preservatives. Ka for benzoic acid is 6,3 x 10–5. A solution of sodium benzoate, NaC7H5O2, in water has a concentration of 0,015 mol.dm–3. (a) What is the equilibrium concentration of benzoic acid in the sodium benzoate solution? (b) What is the pH of this solution?

Benzoic acid, HC7H5O2, and its salts are used as food preservatives. Ka for benzoic acid is 6,3 x 10–5. A solution of sodium benzoate, NaC7H5O2, in water has a concentration of 0,015 mol.dm–3. (a) What is the equilibrium concentration of benzoic acid in the sodium benzoate solution? (b) What is the pH of this solution?

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 117IP: In a solution with carbon tetrachloride as the solvent, the compound VCl4. undergoes dimerization:...

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