A handbook states that to prepare 100.0 mL of a particular buffer solution, mix 63.0 mL of 0.200 M HC,H;O, with 37.0 mL of 0.200 M NaC,H;O2. Ka H CH.O,= 1.8 x 105. What is the pH of this buffer solution? o Calculate the pH of this buffer after adding 0.50 mmol HCl in 100. mL buffer solution o Calculate the pH of this buffer after adding 0.25 mmol NaOH in 100. mL buffer solution

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter15: Complex Ion And Precipitation Equilibria
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 handbook states that to prepare 100.0 mL of a particular buffer solution, mix 63.0
mL of 0.200 M HC,H;O, with 37.0 mL of 0.200 M NaC,H;O,. Ka H C.H.O,= 1.8 x
105.
What is the pH of this buffer solution?
Calculate the pH of this buffer after adding 0.50 mmol HCl in 100. mL buffer
solution
Calculate the pH of this buffer after adding 0.25 mmol NaOH in 100. mL
buffer solution
Transcribed Image Text:A handbook states that to prepare 100.0 mL of a particular buffer solution, mix 63.0 mL of 0.200 M HC,H;O, with 37.0 mL of 0.200 M NaC,H;O,. Ka H C.H.O,= 1.8 x 105. What is the pH of this buffer solution? Calculate the pH of this buffer after adding 0.50 mmol HCl in 100. mL buffer solution Calculate the pH of this buffer after adding 0.25 mmol NaOH in 100. mL buffer solution
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