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Titration for Acetic Acid in Vinegar
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Exercise 1: Determining the Concentration of Acetic Acid Data Table 1. NaOH Titration Volume. Initial NaOH Volume (mL) Final NaOH Volume (mL) Total volume of NaOH used (mL) Trial 1 10 mL 3.6 mL 6.4 mL Trial 2 10 mL 3.2 mL 6.8 mL Trial 3 10 mL 3.0 mL 7.0 mL Average Volume of NaOH Used (mL)...

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  • February 9, 2023
  • 2
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • CHEM
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Titration for Acetic Acid in Vinegar
Exercise 1: Determining the Concentration of
Acetic Acid
Data Table 1. NaOH Titration Volume.

Initial NaOH Final NaOH Total volume of
Volume (mL) Volume (mL) NaOH used (mL)
Trial 1 10 mL 3.6 mL 6.4 mL
Trial 2 10 mL 3.2 mL 6.8 mL
Trial 3 10 mL 3.0 mL 7.0 mL
Average Volume of NaOH Used (mL) : 6.73 mL



Data Table 2. Concentration of CH3COOH in Vinegar.

Average volume of Concentration CH3COOH
% CH3COOH in vinegar
NaOH used (mL) in vinegar (mol/L)
6.73 mL 0.673 mol/L 4.0%




Questions
A. The manufacturer of the vinegar used in the experiment stated that the vinegar contained
5.0% acetic acid. What is the percent error between your result and the manufacturer’s
statement?

20% error


B. What challenges would you encounter with the titration if you had used apple cider vinegar
or balsamic vinegar as the analyte instead of white vinegar?


We use white vinegar in this experiment so that we can see the color change. In addition,
balsamic vinegar contains a few different elements.

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