If the pKA of R-COOH is 3.73 and the pH of an R-COOH/R-COO– solution is 3.88, which of the following is TRUE? Note: R-COO– is supplied as the neutral R-COONa salt. [R-COOH] = [R-COO–] [R-COOH] > [R-COO–] It is not possible to make a buffer from R-COOH and R-COO– for this particular pH. [R-COOH] >> [R-COO–] [R-COOH] < [R-COO–]

If the pKA of R-COOH is 3.73 and the pH of an R-COOH/R-COO– solution is 3.88, which of the following is TRUE? Note: R-COO– is supplied as the neutral R-COONa salt. [R-COOH] = [R-COO–] [R-COOH] > [R-COO–] It is not possible to make a buffer from R-COOH and R-COO– for this particular pH. [R-COOH] >> [R-COO–] [R-COOH] < [R-COO–]

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases

Section: Chapter Questions

Problem 116IL: Amino acids are an important group of compounds. At low pH, both the carboxylic acid group (CO2H)...

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