What Is the PH of a Solution Prepared by Mixing

question 78

Multiple Choice

What is the pH of a solution prepared by mixing 50.00 mL of 0.10 M methylamine,CH₃NH₂,with 15.00 mL of 0.10 M methylammonium chloride,CH₃NH₃Cl? Assume that the volume of the solutions are additive and that K_b = 3.70 × 10^-4 for methylamine.

• A)10.04
• B)10.57
• C)11.09
• D)11.78

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