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A. A solution of hexane and heptane at 30 degrees C with hexane mole fraction 0.305 has a vapor pressure of 95.0 torr and a vapor-phase hexane mole fraction of 0.55. Find the vapor pressures of pure hexane and heptane at 30 degrees C. State any approximations made.
B. At 25 degrees C and 1 atm, a solution of 72.061 g of H2O and 192.252 g of CH3OH has a volume of 307.09 cubic cm. In this solution the partial molar volume of water is 16. 488 cubic cm/mol. Find the partial molar volume of ethanol in this solution.
A. A solution of hexane and heptane at 30 degrees C with hexane mole fraction 0.305 has a vapor pressure of 95.0 torr and a vapor-phase hexane mole fraction of 0.55. Find the vapor pressures of pure hexane and heptane at 30 degrees C. State any approximations made.
B. At 25 degrees C and 1 atm, a solution of 72.061 g of H2O and 192.252 g of CH3OH has a volume of 307.09 cubic cm. In this solution the partial molar volume of water is 16. 488 cubic cm/mol. Find the partial molar volume of ethanol in this solution.
Hubert KochLv2
17 Dec 2019
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