At 25°C the vapor pressure of pure hexane (C 6H14) is 0.198atm, while that of pure heptane (c7H16) is 0.060 atm.
Calculate the vapor pressure of a mixture of 17.2 g of hexane and 25.0 g of heptane at 25°C, assuming hexane and heptane form an ideal solution.
(a) 0.0546 atm
(b) 0.121 atm
(c) 0.129 atm
(e) none of these
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