Given the values of K and Kb below, which of the systems given would be most suitable to use to construct a buffer of pH 97HCOOH, K, = 1.8 x 104CH3COOH, K3=18x105H3ASO4. Ka1 = 6.0 x 10, Ka2 = 1.1 x 10, Ka3 = 3 x 1012C5H5N, Kp = 1,7x10-9NH3 КЬ - 1.3 х. 10-5OA H3ASO4/NaH2As04eB. HCOOH/NAHCOOOC. C5H5N/ C5H5NHCIOD.CH3COOH/KCH3CO0FOE NH4C/NH3

The pH of a buffer solution remain close to the pKa value of its acid in weak acid / base and its…

Given the values of Ka and Kh below, which of the systems given would be most suitable to use to construct a buffer of pH 9? HCOOH, Ka = 1.8 x 104 CH3COOH, Ka = 1.8 x 10-5 H3ASO4. Ka1 = 6.0 x 103, Ka2 = 1.1 x 107, Ka3 = 3 x 1o-12 CSH5N, Kb = 1.7 x 10-9 NH3, Кь - 1.8 х 10-5 O A. H3ASO4/NaH2AsO4 O B. HCOOH/NAHCOO O C. C5H5N/ C5H5NHCI O D. CH3COOH/KCH3COO E. NH4CI/NH3

Given the values of Ka and Kh below, which of the systems given would be most suitable to use to construct a buffer of pH 9? HCOOH, Ka = 1.8 x 104 CH3COOH, Ka = 1.8 x 10-5 H3ASO4. Ka1 = 6.0 x 103, Ka2 = 1.1 x 107, Ka3 = 3 x 1o-12 CSH5N, Kb = 1.7 x 10-9 NH3, Кь - 1.8 х 10-5 O A. H3ASO4/NaH2AsO4 O B. HCOOH/NAHCOO O C. C5H5N/ C5H5NHCI O D. CH3COOH/KCH3COO E. NH4CI/NH3

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter15: Equilibria Of Other Reaction Classes

Section: Chapter Questions

Problem 11E: The Handbook of Chemistry and Physics (http://openstaxcollege.org/l/16Handbook) gives solubilities...

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