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(chatquestion)...mole Comprehension for Q. Nos. 7 to & At 300 K, vapour pressure of pure benzene and toluene are 100 mm and 30 mm of Hg respectively. Also benzene and toluene forms an ideal binary solution. A solution of benzene and toluene is prepared by mixing 3.0 moles of toluene in 2.0 moles of benzene at 300 K. Answer the following questions : 7. If vapours which is in equilibrium with the solution is condensed, mole fraction of benzene in the first drop pure of liquid formed will be 20 (b) 29 18 (d) 29 9. (a) 11 (c) 29 8. If the given solution is distilled by lowering the external pressure at constant 300 K, what will be the m fraction of benzene in the last drop of ligui condensed? (a) 6. (b) (c) 3 (d) O |5116

asked Apr 13, 2020 by balaji.thirumalai

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