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Now you will add acid or base to the imidazole/HCl solution to see how well the buffer resists changes in pH. (a) You add 10.0 mL of 0.200 M HCI to 50.0 mL of buffer. What is the pH of the resulting solution? pH = 7.23 (b) You add 3.00 mL of 0.500 M NaOH to 30.0 mL of buffer. What is the pH of the resulting solution? pH = 8.13 (c) You add 15.0 mL of 0.200 M HCI to 10.0 mL of buffer. What is the pH of the resulting solution? pH=1.55 Answer 1: 7.23 Answer 2: 8.13

Now you will add acid or base to the imidazole/HCl solution to see how well the buffer resists changes in pH. (a) You add 10.0 mL of 0.200 M HCI to 50.0 mL of buffer. What is the pH of the resulting solution? pH = 7.23 (b) You add 3.00 mL of 0.500 M NaOH to 30.0 mL of buffer. What is the pH of the resulting solution? pH = 8.13 (c) You add 15.0 mL of 0.200 M HCI to 10.0 mL of buffer. What is the pH of the resulting solution? pH=1.55 Answer 1: 7.23 Answer 2: 8.13

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter13: Acids And Bases
Section: Chapter Questions
Problem 29QAP: How many grams of HI should be added to 265 mL of 0.215 M HCI so that the resulting solution has a...
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Now you will add acid or base to the imidazole/HCl solution to see how well the buffer resists changes in pH. (a) You add 10.0 mL of 0.200 M HCI to 50.0 mL of buffer. What is the pH of the resulting solution? pH = 7.23 (b) You add 3.00 mL of 0.500 M NaOH to 30.0 mL of buffer. What is the pH of the resulting solution? pH = 8.13 (c) You add 15.0 mL of 0.200 M HCI to 10.0 mL of buffer. What is the pH of the resulting solution? pH=1.55 Answer 1: 7.23 Answer 2: 8.13
Transcribed Image Text:Now you will add acid or base to the imidazole/HCl solution to see how well the buffer resists changes in pH. (a) You add 10.0 mL of 0.200 M HCI to 50.0 mL of buffer. What is the pH of the resulting solution? pH = 7.23 (b) You add 3.00 mL of 0.500 M NaOH to 30.0 mL of buffer. What is the pH of the resulting solution? pH = 8.13 (c) You add 15.0 mL of 0.200 M HCI to 10.0 mL of buffer. What is the pH of the resulting solution? pH=1.55 Answer 1: 7.23 Answer 2: 8.13
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