What Is the PH of an Aqueous Solution Prepared by Mixing

question 90

Multiple Choice

What is the pH of an aqueous solution prepared by mixing 50.00 mL of 0.10 mol L^-1 methylamine,CH₃NH₂,with 20.00 mL of 0.10 mol L^-1 methylammonium chloride,CH₃NH₃Cl? Assume that the volume of the solutions are additive and that K_b = 3.70 × 10^-4 for methylamine.

• A)10.17
• B)10.57
• C)10.97
• D)11.78

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