Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5COOH(aq) + H₂O(1) C6H5COO- (aq) + H3O+ (aq) The pK₂ of this reaction is 4.2. In a 0.66 mol L¹ solution of benzoic acid, what percentage of the molecules are ionized?
Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5COOH(aq) + H₂O(1) C6H5COO- (aq) + H3O+ (aq) The pK₂ of this reaction is 4.2. In a 0.66 mol L¹ solution of benzoic acid, what percentage of the molecules are ionized?
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter19: Carboxylic Anhydrides, Esters, And Amides
Section: Chapter Questions
Problem 19.48P
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