Consider exactly one litre of a benzoic acid buffer solution, containing 0.800 M C&H5COOH and 0.600 M C,H;CO0-, Determine the pH of the buffer solution. -You may use "HA" to denote the formula of the acid. - You may make certain assumptions to simplify your calculations Ka for benzoic acid is 6.3 x 10-5. Determine by means of a full calculation the change in pH of the buffer solution that will result when 100. mL of a 1.00 x 10-2 M HCt solution is added to it. You must indicate all the relevant reaction equations in your working.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Question 3
Consider exactly one litre of a benzoic acid buffer solution, containing 0.800 M C&H5COOH
and 0.600 M C6H5C0O-.
3.
3.1 Determine the pH of the buffer solution.
You may use "HA" to denote the formula of the acid.
- You may make certain assumptions to simplify your calculations
Ka for benzoic acid is 6.3 × 10-5.
3.2
Determine by means of a full calculation the change in pH of the buffer solution that will
result when 100. mL of a 1.00 × 10-2 M HC€ solution is added to it. You must indicate all the
relevant reaction equations in your working.
Transcribed Image Text:Question 3 Consider exactly one litre of a benzoic acid buffer solution, containing 0.800 M C&H5COOH and 0.600 M C6H5C0O-. 3. 3.1 Determine the pH of the buffer solution. You may use "HA" to denote the formula of the acid. - You may make certain assumptions to simplify your calculations Ka for benzoic acid is 6.3 × 10-5. 3.2 Determine by means of a full calculation the change in pH of the buffer solution that will result when 100. mL of a 1.00 × 10-2 M HC€ solution is added to it. You must indicate all the relevant reaction equations in your working.
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