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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 Ka = 1.8 × 10-5 for CH3CO2H.


A) 2.87
B) 4.35
C) 4.75
D) 5.14

Correct Answer:

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