What Is the PH of a Solution Prepared by Mixing

question 18

Multiple Choice

What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH₃CO₂H with 25.00 mL of 0.040 M CH₃CO₂Na? Assume that the volume of the solutions are additive and that K_a = 1.8 × 10^-5 for CH₃CO₂H.

• A)2.87
• B)4.35
• C)4.75
• D)5.14

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