HF has a Ka= 6.8x10-4. Find the PH of a 0.15 M solution of HF and its % ionization.

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter15: Complex Ion And Precipitation Equilibria
Section: Chapter Questions
Problem 10QAP: Calculate [OH-] and pH in a solution in which the hydrogen sulfite ion, HSO3-, is 0.429 M and the...
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1. HF has a Ka= 6.8x10-4. Find the PH of a 0.15 M solution of HF and its % ionization.

2. HClO2 has a Ka= 1.1x10-2. Determine the PH of a 0.25M solution and its % Ionization.

3. A weak acid has a molarity of 0.28M and its % ionization is 19%, Find the Ka of this acid.

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