Consider a buffered solution containing CH3NH3Cl and CH3NH2. Which of the following statements are true concerning this solution? (Ka for CH3NH3+ = 2.2 × 10-11).(Select all that apply.)A. If HCl were added to the initial buffered solution, then the CH3NH3+ would increase.B. If [CH3NH2] < [CH3NH3+], then pH is larger than the pKa value.C. A solution consisting of 0.10 M CH3NH3Cl and 0.10 M CH3NH2 would have a higher capacity than one containing 1.0 M CH3NH3Cl and 1.0 M CH3NH2.D. If [CH3NH2] > [CH3NH3+], then the [H+] is smaller than the Ka value.E. Adding more [CH3NH3Cl] to the initial buffer solution will decrease the pH.

The buffered solution contains CH3NH3Cl and CH3NH2 . of the CH3NH3Cl is 2.2 x 10-11. Definition of…

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Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter13: Acids And Bases

Section: Chapter Questions

Problem 27QAP: Find [OH+], [OH-] and the pH of the following solutions. (a) 30.0 mL of a 0.216 M solution of HCI...

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Consider a buffered solution containing CH₃NH₃Cl and CH₃NH₂. Which of the following statements are true concerning this solution? (K_a for CH₃NH₃⁺ = 2.2 × 10^-11).

(Select all that apply.)

A. If HCl were added to the initial buffered solution, then the CH₃NH₃⁺ would increase.

B. If [CH₃NH₂] < [CH₃NH₃⁺], then pH is larger than the pK_a value.

C. A solution consisting of 0.10 M CH₃NH₃Cl and 0.10 M CH₃NH₂ would have a higher capacity than one containing 1.0 M CH₃NH₃Cl and 1.0 M CH₃NH₂.

D. If [CH₃NH₂] > [CH₃NH₃⁺], then the [H⁺] is smaller than the K_a value.

E. Adding more [CH₃NH₃Cl] to the initial buffer solution will decrease the pH.

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