Calculate the saturation concentration of oxygen (O,) and carbon dioxide (CO,) in a freshwater lake at ambient conditions (25°C). Express the concentration in mg/L of each gas

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Calculate the saturation concentration of oxygen (O,) and carbon dioxide (CO,)
in a freshwater lake at ambient conditions (25°C). Express the concentration in
mg/L of each gas
O, has a Henry volatility constant of 8.0×107 Pa/ (mol/L)
CO, has a Henry volatility constant of 2.94x10³ Pa/ (mol/L)
Note: Air is a mixture of gases: primarily nitrogen (N,; 78.6%), oxygen (O,; 20.9%), water vapor
(H,O; 0.5%), and carbon dioxide (CO,; 0.04%).
Transcribed Image Text:Calculate the saturation concentration of oxygen (O,) and carbon dioxide (CO,) in a freshwater lake at ambient conditions (25°C). Express the concentration in mg/L of each gas O, has a Henry volatility constant of 8.0×107 Pa/ (mol/L) CO, has a Henry volatility constant of 2.94x10³ Pa/ (mol/L) Note: Air is a mixture of gases: primarily nitrogen (N,; 78.6%), oxygen (O,; 20.9%), water vapor (H,O; 0.5%), and carbon dioxide (CO,; 0.04%).
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