Calculate the [NH3] in a solution of 0.650 M ammonium fluoride (NH4F). Hint: Use the Ka of HF (6.8 x 10 4) and the Kb of NH3 (1.8 x 10-5) to calculate Kc for the reaction NH4*(aq) + F(aq) = NH3(aq) + HF(aq).

Calculate the [NH3] in a solution of 0.650 M ammonium fluoride (NH4F). Hint: Use the Ka of HF (6.8 x 10 4) and the Kb of NH3 (1.8 x 10-5) to calculate Kc for the reaction NH4*(aq) + F(aq) = NH3(aq) + HF(aq).

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

Section14.9: Lewis Acids And Bases

Problem 14.26E

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Calculate the [NH3] in a solution of 0.650M ammonium fluoride
(NH4F). Hint: Use the Ka of HF (6.8 x 10 4) and the Kb of NH3 (1.8 x
10-5) to calculate Kc for the reaction
NH4*(aq) + F(aq) = NH3(aq) + HF(aq).

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