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  • Question: An ideal solution can be approximated using the liquid hydrocarbons hexaneand heptane. At 25 oC, hexane has an equilibrium vapor pressure of 151.4mm Hg and heptane has an equilibrium vapor pressure of 45.70 mm Hg.What is the equilibrium vapor pressure of a 50:50 molar hexane and heptanesolution (that is, x1 = x2 = 0.50) in a closed system? It does not matter

    An ideal solution can be approximated using the liquid hydrocarbons hexane
    and heptane. At 25 oC, hexane has an equilibrium vapor pressure of 151.4
    mm Hg and heptane has an equilibrium vapor pressure of 45.70 mm Hg.
    What is the equilibrium vapor pressure of a 50:50 molar hexane and heptane
    solution (that is, x1 = x2 = 0.50) in a closed system? It does not matter which
    liquid is labeled 1 or 2.
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    From Raoult's law:Vapor pressure of so

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