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What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3CO2H with 25.00 mL of 0.010 M CH3CO2Na? Assume the volumes of the solution are additive and that Ka = 1.8 x 10-5 for CH3CO2H.

4. How is this solved?

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2 answers
  1. Use the Henderson-Hasselbalch equation and substitute millimols for base and millimols for acid. Solve for pH.

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  2. The correct answer is 3.74 if you are wondering

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