Question: At 1 0 0 deg C the vapor pressures of hexane and octane are 1 8 3 6 and 3 5 4 torr, respectively.

At 100\deg C the vapor pressures of hexane and octane are 1836 and 354 torr, respectively. A certain liquid mixture of these two compounds has a vapor pressure of 666 torr at 100\deg C. Find the mole fractions in the liquid mixture and in the vapor phase. Assume an ideal solution.
At 100\deg C the vapor pressures of hexane and octane are

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