At a given temperature, the vapor pressures of hexane and decane are 183 mmHg and 59. 2 mmHg, respectively. Calculate the total vapor pressure over a solution of hexane and decane. The mole fraction of hexane (Xdexane) is 0. 580.
a) 111 mmHg
b) 131 mmHg
c) 242 mmHg
d) 121 mmHg