Refer to the figure below and Figure 20.25, which show the fraction of species in solution [alpha (α)] as a function of pH. The following questions are in regard to the equilibria involved in an aqueous solution of H 2 CO 3 (dissolved CO 2 ) in fresh water at 25 °C. (a) At what pH does |H 2 CO 3 (aq)| = |HCO 3 − |? (b) At what pH does [HCO 3 − | = |CO 3 2− |? (c) What is the predominant species in solution when the solution has a pH of 8? (d) What species are in solution when the solution has a pH of 7?

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Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
BuyFind

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

Solutions

Chapter 20, Problem 40GQ
Textbook Problem

Refer to the figure below and Figure 20.25, which show the fraction of species in solution [alpha (α)] as a function of pH. The following questions are in regard to the equilibria involved in an aqueous solution of H2CO3 (dissolved CO2) in fresh water at 25 °C.

  1. (a) At what pH does |H2CO3(aq)| = |HCO3|?
  2. (b) At what pH does [HCO3| = |CO32−|?
  3. (c) What is the predominant species in solution when the solution has a pH of 8?
  4. (d) What species are in solution when the solution has a pH of 7?

Chapter 20, Problem 40GQ, Refer to the figure below and Figure 20.25, which show the fraction of species in solution [alpha

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Chapter 20 Solutions

Chemistry & Chemical Reactivity
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