29. Answer BOTH parts of this question. Show ALL arithmetical steps and chemical equations. (a) Calculate the pH of a buffer solution composed of 0.15M HF and 0.15M NaF. (Ka for HF is 6.8 x 10-4). (b) Calculate the ApH caused by the addition of 7.0 ml of 0.10M NaOH to 100ml of the buffer solution obtained in part (a) of this question.
29. Answer BOTH parts of this question. Show ALL arithmetical steps and chemical equations. (a) Calculate the pH of a buffer solution composed of 0.15M HF and 0.15M NaF. (Ka for HF is 6.8 x 10-4). (b) Calculate the ApH caused by the addition of 7.0 ml of 0.10M NaOH to 100ml of the buffer solution obtained in part (a) of this question.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:29.
Answer BOTH parts of this question. Show ALL arithmetical steps and
chemical equations.
(a)
Calculate the pH of a buffer solution composed of 0.15M HF and 0.15M
NaF. (Ka for HF is 6.8 x 10-4).
(b)
Calculate the ApH caused by the addition of 7.0 ml of 0.10M NaOH to
100ml of the buffer solution obtained in part (a) of this question.
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