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Benzene and toluene form ideal solution over the entire range of composition. The vapour pressure of pure benzene and toluene at 300 K are 50.71 mm Hg and 32.06 mm Hg respectively. Calculate the mole fraction of benzene in vapour phase if 80 g of benzene is mixed with 100 g of toluene

Options

  1. A2.3
  2. B1.4
  3. C0.2
  4. D0.6

Correct answer

D. 0.6

Step-by-step solution

Correct Option is : (D) 0.6

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