Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![**Calculation of Ammonia Concentration in an Ammonium Cyanide Solution**
Calculate the \([NH_3]\) in a solution of 0.300 M ammonium cyanide \((NH_4CN)\).
**Hint:** Use the \(K_a\) of HCN \((4.9 \times 10^{-10})\) and the \(K_b\) of \(NH_3\) \((1.8 \times 10^{-5})\) to calculate \(K\) for the reaction.
\[
NH_4^+ (aq) + CN^- (aq) \rightleftharpoons NH_3 (aq) + HCN (aq)
\]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faeef920a-b7fc-42c4-a405-16f92aebf3b1%2Fb34152b5-098f-4771-a22e-2d1ba24032f6%2F39tlopc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Calculation of Ammonia Concentration in an Ammonium Cyanide Solution**
Calculate the \([NH_3]\) in a solution of 0.300 M ammonium cyanide \((NH_4CN)\).
**Hint:** Use the \(K_a\) of HCN \((4.9 \times 10^{-10})\) and the \(K_b\) of \(NH_3\) \((1.8 \times 10^{-5})\) to calculate \(K\) for the reaction.
\[
NH_4^+ (aq) + CN^- (aq) \rightleftharpoons NH_3 (aq) + HCN (aq)
\]
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