Which of the following aqueous solutions are good buffer systems? (Select all that apply.) 0.12 M sodium fluoride + 0.21 M hydrofluoric acid 0.25 M nitric acid + 0.23 M potassium nitrate 0.30 M ammonium nitrate + 0.39 M ammonia 0.16 M nitrous acid + 0.20 M sodium nitrite 0.39 M hydrocyanic acid + 0.29 M potassium cyanide

General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.16QP: If the pH is 8.0 at the equivalence point for the titration of a certain weak acid with sodium...
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Which of the following aqueous solutions are good buffer systems?
(Select all that apply.)
0.12 M sodium fluoride + 0.21 M hydrofluoric acid
0.25 M nitric acid + 0.23 M potassium nitrate
0.30 M ammonium nitrate + 0.39 M ammonia
0.16 M nitrous acid + 0.20 M sodium nitrite
0.39 M hydrocyanic acid + 0.29 M potassium cyanide
Transcribed Image Text:Which of the following aqueous solutions are good buffer systems? (Select all that apply.) 0.12 M sodium fluoride + 0.21 M hydrofluoric acid 0.25 M nitric acid + 0.23 M potassium nitrate 0.30 M ammonium nitrate + 0.39 M ammonia 0.16 M nitrous acid + 0.20 M sodium nitrite 0.39 M hydrocyanic acid + 0.29 M potassium cyanide
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9781305580343
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Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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