Calculate the pH, pOH, and fraction of solute protonated or deprotonated in the following aqueous solutions: (a) 0.120 M CH;CH(OH)COOH(aq) (lactic acid), (b) 1.4× 10“M CH;CH(OH) COOH(aq), (c) 0.15 M NH,CI(aq), (d) 0.15 m NaCH;CO,(aq), and (e) 0.112 m (CH;),N(aq) (trimethylamine).

Calculate the pH, pOH, and fraction of solute protonated or deprotonated in the following aqueous solutions: (a) 0.120 M CH;CH(OH)COOH(aq) (lactic acid), (b) 1.4× 10“M CH;CH(OH) COOH(aq), (c) 0.15 M NH,CI(aq), (d) 0.15 m NaCH;CO,(aq), and (e) 0.112 m (CH;),N(aq) (trimethylamine).

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 18.103QE

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Question

Calculate the pH, pOH, and fraction of solute protonated or
deprotonated in the following aqueous solutions: (a) 0.120 M
CH;CH(OH)COOH(aq) (lactic acid), (b) 1.4× 10“M CH;CH(OH)
COOH(aq), (c) 0.15 M NH,CI(aq), (d) 0.15 m NaCH;CO,(aq), and
(e) 0.112 m (CH;),N(aq) (trimethylamine).

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