Water Chem - project3_w_notes

5how muchatmosphericco2

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Unformatted text preview: d at pH 8.5. How much atmospheric CO2 will dissolve as the solution equilibrates with the atmosphere? 3 5 H2CO3 4 6 7 HCO3 8 9 10 11 12 CO32 Once equilibrium is reached: 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 pH Fraction as given species 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 3 5 H2CO3 4 6 7 8 HCO3 pH 9 10 12 CO32 11 2 TOTCO3 fin H 2 CO3 HCO3 CO3 mol L 1.23x105 1.74 103 2.57 105 mol 1.78 103 L 1.0x103 mol L 3 fin CO 2 dissolving TOTCO3 init 1.74 10 7.4 104 mol L • If a pure solid phase is present, we follow the same guidelines as if a gas is present, except the concentration of the solid is always 1.0 (because...
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This note was uploaded on 02/05/2014 for the course CEE 357 taught by Professor Benjamin during the Winter '12 term at University of Washington.

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