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4. Nominally pure water in the laboratory generally contains dissolved CO2, in its hydrated form: H2CO3(aq), which ionizes in accord with: = 1) H2CO3 HCO3 + H+ K₁ = 4.47 x 10-7 M and 2) HCO3 CO₂²- + H+ K2 4.68 x 10-11 M The pH is measured to be 5.5. The contribution of the ionization of water itself to the H+ ion concentration may be neglected. Evaluate the equilibrium molarities of the species H+, H2CO3, HCO3 and CO2²-.

4. Nominally pure water in the laboratory generally contains dissolved CO2, in its hydrated form: H2CO3(aq), which ionizes in accord with: = 1) H2CO3 HCO3 + H+ K₁ = 4.47 x 10-7 M and 2) HCO3 CO₂²- + H+ K2 4.68 x 10-11 M The pH is measured to be 5.5. The contribution of the ionization of water itself to the H+ ion concentration may be neglected. Evaluate the equilibrium molarities of the species H+, H2CO3, HCO3 and CO2²-.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4. Nominally pure water in the laboratory generally contains dissolved CO2, in its hydrated form: H2CO3(aq), which ionizes in accord with: = 1) H2CO3 HCO3 + H+ K₁ = 4.47 x 10-7 M and 2) HCO3 CO₂²- + H+ K2 4.68 x 10-11 M The pH is measured to be 5.5. The contribution of the ionization of water itself to the H+ ion concentration may be neglected. Evaluate the equilibrium molarities of the species H+, H2CO3, HCO3 and CO2²-.
Transcribed Image Text:4. Nominally pure water in the laboratory generally contains dissolved CO2, in its hydrated form: H2CO3(aq), which ionizes in accord with: = 1) H2CO3 HCO3 + H+ K₁ = 4.47 x 10-7 M and 2) HCO3 CO₂²- + H+ K2 4.68 x 10-11 M The pH is measured to be 5.5. The contribution of the ionization of water itself to the H+ ion concentration may be neglected. Evaluate the equilibrium molarities of the species H+, H2CO3, HCO3 and CO2²-.
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