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
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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Question
![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)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5baa0102-60f7-4f8d-865b-4da67ad08e15%2F7c85d0ed-8a87-477d-8d6e-e36cec33c75d%2Fwa34lba_processed.jpeg&w=3840&q=75)
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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