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MMLU-Pro / 4315 / The vapor pressure of benzene at 75°C is 640 torr. A solution of 3.68 g of a…

Problem

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question

The vapor pressure of benzene at 75°C is 640 torr. A solution of 3.68 g of a solute in 53.0 g benzene has a vapor pressure of 615 torr. Calculate the molecular weight of the solute. (MW of benzene = 78.0.)

category

chemistry

options

  1. 120.5 g/mole
  2. 98.6 g/mole
  3. 88.9 g/mole
  4. 125.6 g/mole
  5. 160.7 g/mole
  6. 145.2 g/mole
  7. 110.4 g/mole
  8. 102.7 g/mole
  9. 150.3 g/mole
  10. 133.8 g/mole

src

stemez-Chemistry

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