A buffer made up of equal volumes (283.7 mL) of each of 0.688 M A H and 0.715 M A minus. What is p H of the buffer after addition of 13.29 mL of 0.149 M HCI? Ka of HA is 5.090E-5. To avoid rounding errors report your answer with two decimal places. On an exam be sure your scrap work has the correct number of significant figures.
A buffer made up of equal volumes (283.7 mL) of each of 0.688 M A H and 0.715 M A minus. What is p H of the buffer after addition of 13.29 mL of 0.149 M HCI? Ka of HA is 5.090E-5. To avoid rounding errors report your answer with two decimal places. On an exam be sure your scrap work has the correct number of significant figures.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 33QAP: A buffer is prepared in which the ratio [ H2PO4 ]/[ HPO42 ]is 3.0. (a) What is the pH of this...
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