a) What is the pH of a buffer solution that is made by dissolving 125.5 g of sodium benzoate and 166.9g of benzoic acid in 500 mL of water? (b) What is the pH if you added 26.7 mL of 2.22 M NaOH to 254 mL of the buffer solution from above? (c) What is the pH if you added 32.8 mL of 3.36 M HCl to 354 mL of the buffer solution from above?
a) What is the pH of a buffer solution that is made by dissolving 125.5 g of sodium benzoate and 166.9g of benzoic acid in 500 mL of water? (b) What is the pH if you added 26.7 mL of 2.22 M NaOH to 254 mL of the buffer solution from above? (c) What is the pH if you added 32.8 mL of 3.36 M HCl to 354 mL of the buffer solution from above?
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 14QAP: A buffer solution is prepared by adding 5.50 g of ammonium chloride and 0.0188 mol of ammonia to...
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a) What is the pH of a buffer solution that is made by dissolving 125.5 g of sodium benzoate and 166.9g of benzoic acid in 500 mL of water?
(b) What is the pH if you added 26.7 mL of 2.22 M NaOH to 254 mL of the buffer solution from above?
(c) What is the pH if you added 32.8 mL of 3.36 M HCl to 354 mL of the buffer solution from above?
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