Octane (C.H,) has a vapor pressure of 14.3 torr and a density of 0.703 g/mL. Pentane (CH,) has a vapor pressure of 435.0 torr and a density of 0.626 g/mL. Assuming a mixture of the two behaved ideally and followed Raoult's Law, what would you predict to be the vapor pressure (in torr) of a solution containing 765 mL of octane and 605 mL of pentane?

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