Calculate the vapor pressure at 25◦C of a mixture of benzene and toluene in which the mole fraction of benzene is 0.650. The vapor pressure at 25◦C of benzene is 94.6 torr and that of toluene is 29.1 torr.
a. 51.3 torr
b. 61.5 torr
c. 84.4 torr
d. 124 torr
e. 71.7 torr
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