# Problem: Consider a buffered solution containing CH3NH3Cl and CH3NH2. Which of the following statements concerning this solution is(are) true? (Ka for CH3NH3+ = 2.3 x 10 -11.)a. A solution consisting of 0.10 M CH 3NH3Cl and 0.10 M CH3NH2 would have a higher buffering capacity than one containing 1.0 M CH3NH3Cl and 1.0 M CH3NH2.b. If [CH3NH2] &gt; [CH3NH3+], then the pH is larger than the pK a value.c. Adding more [CH3NH3Cl] to the initial buffer solution will decrease the pH.d. If [CH3NH2] &lt; [CH3NH3+], then pH &lt; 3.36.e. If [CH3NH2] = [CH3NH3+], then pH = 10.64.

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###### Problem Details

Consider a buffered solution containing CH3NH3Cl and CH3NH2. Which of the following statements concerning this solution is(are) true? (Ka for CH3NH3+ = 2.3 x 10 -11.)

a. A solution consisting of 0.10 M CH 3NH3Cl and 0.10 M CH3NH2 would have a higher buffering capacity than one containing 1.0 M CH3NH3Cl and 1.0 M CH3NH2.

b. If [CH3NH2] > [CH3NH3+], then the pH is larger than the pK a value.

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

d. If [CH3NH2] < [CH3NH3+], then pH < 3.36.

e. If [CH3NH2] = [CH3NH3+], then pH = 10.64.