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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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.