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: 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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