Calculate the pH of a buffer solution prepared from 1.55\times 10^-5 mol of phosphoric acid, 2.50\times 10^-5 mol of KH2PO4, and enough water to make 0.500 L of solution. - H3PO4 H2PO4 + H+ pKa1 H2PO4 = 2.14, =HPO4 2+ H+ pKa2 = 7.20, HPO4 2PO4 3- + H+ pKa3 = 12.37
Calculate the pH of a buffer solution prepared from 1.55\times 10^-5 mol of phosphoric acid, 2.50\times 10^-5 mol of KH2PO4, and enough water to make 0.500 L of solution. - H3PO4 H2PO4 + H+ pKa1 H2PO4 = 2.14, =HPO4 2+ H+ pKa2 = 7.20, HPO4 2PO4 3- + H+ pKa3 = 12.37
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 21QAP: Calculate the pH of a solution prepared by mixing 49.0 mL of butyric acid, HC4H7O2, with 6.15 g of...
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