At 25 degrees C and 1 atm gas pressure, the solubility of CO2(g) is 149 mg/100 g water. When air at 25 degrees C and 1 atm is in equilibrium with water, what is the concentration of dissolved CO2, in mg/100 g water? Air contains 0.037 mol % CO2(g).

the answer should come out to be 5.5 x 10^-2 mg CO2/100 g H2O

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  1. (149 mg/100) x 0.00037 = ?

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