A buffer can be prepared from a weak acid, HA, and it's conjugate base, A⁻. A 1L solution is prepared in which the concentrations are [HA] = 0.2M and [A⁻] = 0.1 M. The pKa of HA is 7.5. What is the pH of this solution before and after 50 ml of 1M KOH, a strong base, is added?
A buffer can be prepared from a weak acid, HA, and it's conjugate base, A⁻. A 1L solution is prepared in which the concentrations are [HA] = 0.2M and [A⁻] = 0.1 M. The pKa of HA is 7.5. What is the pH of this solution before and after 50 ml of 1M KOH, a strong base, is added?
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 52QAP: A solution is prepared by dissolving 0.350 g of benzoic acid, HC7H5O2, in water to make 100.0 mL of...
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A buffer can be prepared from a weak acid, HA, and it's conjugate base, A⁻. A 1L solution is prepared in which the concentrations are [HA] = 0.2M and [A⁻] = 0.1 M. The pKa of HA is 7.5. What is the pH of this solution before and after 50 ml of 1M KOH, a strong base, is added?
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