Which of the following statement about the composition of the vapour over an ideal a 1 : 1 molar mixture of benzene and toluene is correct? Assume that the temperature is constant at 25 C . (Given : Vapour Pressure Data at 25 C , benzene = 12.8 kPa , Toluene = 3.85 kPa )

1. A. The vapour will contain a higher percentage of benzene
2. B. The vapour will contain a higher percentage of toluene
3. C. The vapour will contain equal amounts of benzene and toluene
4. D. Not enough information is given to make a prediction

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