EXPT 7:
Acetic Acid in Vinegar
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Experiment 7 - Acetic Acid Content of Vinegar

Postlab Questions:

Part A - Determination of Concentration of Unknown Base Solution

  1. Calculate the number of moles of HCl available in the Erlenmeyer flask.
  2. Write the balanced equation for the reaction, which occurs.
  3. Calculate the number of moles of the NaOH added in the titration.
  4. What is the average volume of the NaOH solution used in the titration.
  5. Determine the molarity of the NaOH solution.

Part B - Determination of Acetic Acid Concentration in Vinegar

  1. Calculate the number of moles of the NaOH added in the titration.
  2. Write the balanced equation for the reaction,which occurs.
  3. Calculate the number of moles of the acetic acid, CH3COOH, available in the Erlenmeyer flask.
  4. What is the volume of the vinegar (acetic acid, CH3COOH) solution used?
  5. Determine the molarity of the acetic acid, CH3COOH, solution.

 

 



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