NH4F is a salt made from a weak base and a weak acid. The following questions are related to a 0.250 M NH4F (aq) solution at 25 degrees C. The Ka for HF (aq) is 6.8 ×10-4 and Kb for NH3 (aq) is 1.8 × 10-5. (a) What is the equation for the overall hydrolysis of NH4F (aq)? (b) What is the pH of this solution? (c) What is the equilibrium concentration of NH3?

NH4F is a salt made from a weak base and a weak acid. The following questions are related to a 0.250 M NH4F (aq) solution at 25 degrees C. The Ka for HF (aq) is 6.8 ×10-4 and Kb for NH3 (aq) is 1.8 × 10-5. (a) What is the equation for the overall hydrolysis of NH4F (aq)? (b) What is the pH of this solution? (c) What is the equilibrium concentration of NH3?

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter13: Acids And Bases

Section: Chapter Questions

Problem 3RQ

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