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17 of 18 |  |
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G-17
3.
Calculate the percent dissociation for your acid sample before addition of NaOH. (0.6 marks)
%
4.
Use Le Chatelier’s Principle and the weak acid dissociation equilibrium to explain how the addition of NaOH
will completely neutralize the unknown weak acid at the equivalence point in a titration. (0.8 marks)
5.
What is the concentration of the conjugate base (the acetate ion) at the equivalence point of the pH
titration. Include detailed calculations. (1.0 mark)
6.
Explain why the pH of the equivalence point in your titration of acetic acid using NaOH is greater than 7.
In your explanation, include the appropriate balanced net ionic equation. (1.2 marks)
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