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The vapor pressure of pure component A is 42.0 kPa at 298 K. The vapor pressure...

The vapor pressure of pure component A is 42.0 kPa at 298 K. The vapor pressure of pure component B is 29.0 kPa at the same temperature. Which of the two substances has the lower normal boiling point. Assuming an ideal liquid solution of A and B has mole fraction A equal to 0.400, What are the partial pressures and the total pressure over the liquid assuming Raoult’s law applies. What is the composition of the vapor based on Dalton’s law?

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