The equilibrium for the reaction between (CH,),NH, a weak base, and water is represented by the equation below. The table shows the pH of three solutions of (CH,),NH(aq) at 25°C. (CH3),NH(aq) + H2O(1) 2 (CH,),NH,†(aq)+ OH¯(ag) K, = 5.4 x 10-4 at 25°C %3| [(CH3),NH] pH at 25°C 0.050 11.69 0.10 11.85 0.20 12.01 Based on the information given, which of the following is true? Solutions with a higher concentration of (CH,),NH have a higher pOH because to reach A equilibrium a smaller amount of the conjugate acid (CH,),NH2* is produced. Solutions with a higher concentration of (CH,),NH have a higher pOH because to reach equilibrium more OH is produced. 21 Solutions with a higher concentration of (CH,),NH have a higher pH because to reach equilibrium a smaller amount of the conjugate acid (CH),NH2* is produced. Solutions with a higher concentration of (CH,),NH have a higher pH because to reach equilibrium more OH is produced.

The equilibrium for the reaction between (CH,),NH, a weak base, and water is represented by the equation below. The table shows the pH of three solutions of (CH,),NH(aq) at 25°C. (CH3),NH(aq) + H2O(1) 2 (CH,),NH,†(aq)+ OH¯(ag) K, = 5.4 x 10-4 at 25°C %3| [(CH3),NH] pH at 25°C 0.050 11.69 0.10 11.85 0.20 12.01 Based on the information given, which of the following is true? Solutions with a higher concentration of (CH,),NH have a higher pOH because to reach A equilibrium a smaller amount of the conjugate acid (CH,),NH2* is produced. Solutions with a higher concentration of (CH,),NH have a higher pOH because to reach equilibrium more OH is produced. 21 Solutions with a higher concentration of (CH,),NH have a higher pH because to reach equilibrium a smaller amount of the conjugate acid (CH),NH2* is produced. Solutions with a higher concentration of (CH,),NH have a higher pH because to reach equilibrium more OH is produced.

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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