Examples_real_solutions

Examples_real_solutions - o C for a chl-eth solution with x...

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1 1. A solution of ethanol (eth) and chloroform (chl) at 45 o C with x eth = 0.9900 has a vapor pressure of 177.95 torr. At this high dilution of chloroform the solution can b assumed to be essentially ideally dilute. The vapor pressure of eth at 45 o C is 172.76 torr. a) Find the partial pressures of the gases in equilibrium with the solution. b) Find the mole fraction in the vapor phase. c) Find the Henry’s law constant for chloroform in ethanol at 45 o C. d) Predict the vapor pressure and vapor-phase mole fractions at 45
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Unformatted text preview: o C for a chl-eth solution with x eth = 0.9800. Compare with the experimental values P = 183.38 torr and 0.9242 torr o eth x = 2 2. The following data give the pressures for CS 2 – acetone solutions at 32.5 o C. Calculate the activity coefficients of both components based on deviations from Raoult’s and Henry’s laws. x (CS 2 ) 0 0.20 0.45 0.67 0.83 1.00 P (CS 2 )/torr 0 272 390 438 465 512 P acetone /torr 344 291 250 217 180 0...
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This note was uploaded on 04/07/2012 for the course CHEM 340 taught by Professor Staff during the Spring '08 term at Ill. Chicago.

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Examples_real_solutions - o C for a chl-eth solution with x...

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