Question: Hexane, C 6 H 14 , and cyclohexane, C 6 H 12 , form an ideal solution. The vapor pressure of hexane is 151 Torr

Hexane, C₆H₁₄, and cyclohexane, C₆H₁₂, form an ideal solution. The vapor pressure of hexane is 151 Torr and that of cyclohexane is 98 Torr at 25.0°C. Calculate the total vapor pressure of each of the following solutions and the mole fraction of each substance in the vapor phase above those solutions at 25°C:

(a) 0.25 mol C₆H₁₄ mixed with 0.65 mol C₆H₁₂;

(b) 10.0 g of hexane mixed with 10.0 g of cyclohexane.

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