AcidKapKaHF7.1 x 10-43.15HNO24.5 x 10-43.35HCOOH1.7 x 10-43.77C6H5COOH6.5 x 10-54.19CH3COOH1.8 x 10-54.74HCN4.9 x 10-109.31C6H5OH1.3 x 10-109.89 Using the table, select appropriate acid/conjugate bases combinations and the proportions of each to prepare buffers at pH values of (i) 4.5 and (ii) 10.0

The objective of this question is to select the appropriate acid/conjugate base combinations and…

Answered: Acid Ka pKa HF 7.1 x 10-4…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 85AP

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Related questions

Question

Acid	K_a	pK_a
HF	7.1 x 10-4	3.15
HNO₂	4.5 x 10-4	3.35
HCOOH	1.7 x 10-4	3.77
C₆H₅COOH	6.5 x 10-5	4.19
CH₃COOH	1.8 x 10-5	4.74
HCN	4.9 x 10-10	9.31
C₆H₅OH	1.3 x 10-10	9.89

Using the table, select appropriate acid/conjugate bases combinations and the proportions of each to prepare buffers at pH values of (i) 4.5 and (ii) 10.0

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