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19 of 20 |  |
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G-19
3.
Calculate the percent dissociation for your acid sample before addition of NaOH. (0.6 marks)
%
4.
Refer to Figures 1 and 2 to identify four differences between the titration curve for 0.50 M HA (a weak
acid) and the titration curve for 0.50 M HCl, each with 0.50 M NaOH. (0.8 marks)
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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 a titration of a weak acid with a strong base is greater
than 7. Include the balanced net ionic equation to support your answer. (1.2 marks)
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