Dissolved carbon dioxide in seawater occurs mainly in three inorganic forms (see figure below): free aqueous carbon dioxide (CO2(aq)), bicarbonate (HCO3), and carbonate ions (CO3²). (a) Using the figure, rank the concentrations of these species from highest to lowest. (b) If surface ocean pH were to fall from 8.0 to 7.0, how would this ranking change? -1.5 2 H+ Surface Ocean pH OH HCO3 -2.5 -3 CO₂ Log [concentration (mol kg¹)] сл + -4.5 50 2 4 6 PH 8 10 co 123 12 14
Dissolved carbon dioxide in seawater occurs mainly in three inorganic forms (see figure below): free aqueous carbon dioxide (CO2(aq)), bicarbonate (HCO3), and carbonate ions (CO3²). (a) Using the figure, rank the concentrations of these species from highest to lowest. (b) If surface ocean pH were to fall from 8.0 to 7.0, how would this ranking change? -1.5 2 H+ Surface Ocean pH OH HCO3 -2.5 -3 CO₂ Log [concentration (mol kg¹)] сл + -4.5 50 2 4 6 PH 8 10 co 123 12 14
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
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
Section16.7: Calculations With Equilibrium Constants
Problem 16.7CYU: The weak base, CIO (hypochlorite ion), is used in the form of NaCIO as a disinfectant in swimming...
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![Dissolved carbon dioxide in seawater occurs mainly in three inorganic forms (see figure below): free
aqueous carbon dioxide (CO2(aq)), bicarbonate (HCO3), and carbonate ions (CO3²). (a) Using the
figure, rank the concentrations of these species from highest to lowest. (b) If surface ocean pH were to
fall from 8.0 to 7.0, how would this ranking change?
-1.5
2
H+
Surface
Ocean pH
OH
HCO3
-2.5
-3
CO₂
Log [concentration (mol kg¹)]
сл
+
-4.5
50
2
4
6
PH
8
10
co
123
12
14](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd95d9261-b351-4082-9312-dc03c5627944%2F9d1670df-313a-471d-a09c-9f772f3b89fc%2F640ms2_processed.png&w=3840&q=75)
Transcribed Image Text:Dissolved carbon dioxide in seawater occurs mainly in three inorganic forms (see figure below): free
aqueous carbon dioxide (CO2(aq)), bicarbonate (HCO3), and carbonate ions (CO3²). (a) Using the
figure, rank the concentrations of these species from highest to lowest. (b) If surface ocean pH were to
fall from 8.0 to 7.0, how would this ranking change?
-1.5
2
H+
Surface
Ocean pH
OH
HCO3
-2.5
-3
CO₂
Log [concentration (mol kg¹)]
сл
+
-4.5
50
2
4
6
PH
8
10
co
123
12
14
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