What is the concentration of each species present in a 0.010-M solution of phthalic acid, C6H4(CO2H)2? C6H4(CO2H)2(aq) + H2O(l) ⇌ H3O+(aq) + C6H4(CO2H)(CO2)-(aq) Ka1 = 1.1 x 10-3 C6H4(CO2H)(CO2)(aq) + H2O(l) ⇌ H3O+(aq) + C6H4(CO2)22-(aq) Ka2 = 3.9 x 10-6

What is the concentration of each species present in a 0.010-M solution of phthalic acid, C6H4(CO2H)2? C6H4(CO2H)2(aq) + H2O(l) ⇌ H3O+(aq) + C6H4(CO2H)(CO2)-(aq) Ka1 = 1.1 x 10-3 C6H4(CO2H)(CO2)(aq) + H2O(l) ⇌ H3O+(aq) + C6H4(CO2)22-(aq) Ka2 = 3.9 x 10-6

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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Question

What is the concentration of each species present in a 0.010-M solution of phthalic acid, C₆H₄(CO₂H)₂?

C₆H₄(CO₂H)_2(aq) + H₂O_(l) ⇌ H₃O⁺_(aq) + C₆H₄(CO₂H)(CO₂)^-_(aq)

K_a1 = 1.1 x 10^-3

C₆H₄(CO₂H)(CO₂)_(aq) + H₂O_(l) ⇌ H₃O⁺_(aq) + C₆H₄(CO₂)₂^2-_(aq)

K_a2 = 3.9 x 10^-6

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