A buffer solution is prepared in which the concentration of NH3 is 0.20 M and the concentration of NH4* is 0.30 M. What is the pH of this solution? The equilibrium constant, Ka for NH,1+ equals 5.56 x 10-10. А. 8.73 В. 9.08 С. 9.43 D. 11.72

A buffer solution is prepared in which the concentration of NH3 is 0.20 M and the concentration of NH4* is 0.30 M. What is the pH of this solution? The equilibrium constant, Ka for NH,1+ equals 5.56 x 10-10. А. 8.73 В. 9.08 С. 9.43 D. 11.72

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

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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

A buffer solution is prepared in which the concentration of NH3 is 0.20 M and the concentration of NH4* is 0.30 M.
What is the pH of this solution? The equilibrium constant, Ka for NH,1+ equals 5.56 x 10-10.
А. 8.73
В. 9.08
С. 9.43
D. 11.72

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