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The pK₂ value for HF is 3.14. Would a buffer prepared from HF and KF with a pH of 2.64 be considered to be an effective buffer? A buffer in which the mole ratio of KF to HF is 0.41 has a pH of 2.75. Would this buffer solution have a greater capacity for added acid ( H3O+) or added base ( OH)?

The pK₂ value for HF is 3.14. Would a buffer prepared from HF and KF with a pH of 2.64 be considered to be an effective buffer? A buffer in which the mole ratio of KF to HF is 0.41 has a pH of 2.75. Would this buffer solution have a greater capacity for added acid ( H3O+) or added base ( OH)?

Chemistry: Principles and Reactions
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 28QAP: The buffer capacity indicates how much OH- or H+ ions a buffer can react with. What is the buffer...
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The pK₂ value for HF is 3.14. Would a buffer prepared from HF and KF with a pH of 2.64 be considered to be an effective buffer? A buffer in which the mole ratio of KF to HF is 0.41 has a pH of 2.75. Would this buffer solution have a greater capacity for added acid ( H3O+) or added base ( OH)?
Transcribed Image Text:The pK₂ value for HF is 3.14. Would a buffer prepared from HF and KF with a pH of 2.64 be considered to be an effective buffer? A buffer in which the mole ratio of KF to HF is 0.41 has a pH of 2.75. Would this buffer solution have a greater capacity for added acid ( H3O+) or added base ( OH)?
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