A liquid-liquid solution is composed of 0.22 mole of pentane (C5H12) and 0.33 mole of hexane (C6H14). Assuming an ideal solution, what is the total vapor pressure of the solution at 25oC? (The vapor pressures of pure pentane and hexane at 25oC are 510 torrs and 150 torrs, respectively.)            (A) 160 torr                               (B) 290 torr           (C) 330 torr           (D) 140 torr

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A liquid-liquid solution is composed of 0.22 mole of pentane (C5H12) and 0.33 mole of hexane (C6H14). Assuming an ideal solution, what is the total vapor pressure of the solution at 25oC? (The vapor pressures of pure pentane and hexane at 25oC are 510 torrs and 150 torrs, respectively.) 

          (A) 160 torr                    

          (B) 290 torr

          (C) 330 torr

          (D) 140 torr

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