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chemistry quiz 12

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A solution is prepared by mixing 1.0 grams of benzene (C6H6) in 100 g of water to create a solution total volume of 100 ml. Calculate the molarity, mass percent, mole fraction, and molality of benzene in the solution.
2.Assuming the CO2 partial pressure in air above a lake at sea level is 4.0 x 10-4 atm, what is the equilibrium concentration of CO2 in the lake at 25oC? (Henry’s law constant is 32 L . atm / mole)

 
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