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MMLU-Pro / 3871 / A solution of 20.0 g of a non-volatile solute in 100 g of benzene at 30°C has a…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A solution of 20.0 g of a non-volatile solute in 100 g of benzene at 30°C has a vapor pressure 13.4 torr lower than the vapor pressure of pure benzene. What is the mole fraction of solute? Vapor pressure of benzene at 30°C = 121.8 torr.

category

chemistry

options

  1. 0.123
  2. 0.130
  3. 0.111
  4. 0.092
  5. 0.105
  6. 0.098
  7. 0.150
  8. 0.085
  9. 0.075
  10. 0.115

src

stemez-Chemistry

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