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(10 points) Ptotal-XAPA+XBPB. TWO volatile liquids, 0.400 moles of A and 1.100 moles of B, are contained in a closed flask at 25.00C, and

(10 points) Ptotal-XAPA+XBPB. TWO volatile liquids, 0.400 moles of A and 1.100 moles of B, are contained in a closed flask at 25.00C, and an equilibrium with their vapor is achieved. If the vapor pressure of pure A is 511 Torr and pure B is 440. Torr at 25.00C, what is the total vapor pressure of the vapor mixture, and what are the mole fractions and partial pressures of A and B?

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