The acid-dissociation constants of phosphoric acid (H3PO4) are Kal = 7.5 x 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.2 x 10-13 at 25°C. What is the pH of a 2.5-M aqueous solution of phosphoric acid?
The acid-dissociation constants of phosphoric acid (H3PO4) are Kal = 7.5 x 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.2 x 10-13 at 25°C. What is the pH of a 2.5-M aqueous solution of phosphoric acid?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 57QRT:
The pH of a 0.10-M solution of propanoic acid, CH3CH2COOH, a weak organic acid, is measured at...
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