A solution is prepared that is 0.115 M in HF and 0.295 M in CaF2. The pKa = 4.75. You may assume the pKw is 14. The reaction that controls the pH is best described by: HF (aq) + OH (aq) = F (aq) + H2O (aq) OF (aq) + H2O (aq) =HF (aq) + OH (aq) OHF (aq) + H2O (aq) = F (aq) + H3O+ (aq) HF (aq) + CaF2 (aq) = CaHF2 (aq) + F ˜(aq) OF (aq) + H3O+ (aq) = HF (aq) + H2O (aq) I. What is the [OH-]? M II. What is the [H3O+]? M III. What is the pH?

A solution is prepared that is 0.115 M in HF and 0.295 M in CaF2. The pKa = 4.75. You may assume the pKw is 14. The reaction that controls the pH is best described by: HF (aq) + OH (aq) = F (aq) + H2O (aq) OF (aq) + H2O (aq) =HF (aq) + OH (aq) OHF (aq) + H2O (aq) = F (aq) + H3O+ (aq) HF (aq) + CaF2 (aq) = CaHF2 (aq) + F ˜(aq) OF (aq) + H3O+ (aq) = HF (aq) + H2O (aq) I. What is the [OH-]? M II. What is the [H3O+]? M III. What is the pH?

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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