A solution contains 2.00 mol benzene and 1.00 mol toluene. At 25°C, pure benzene's vapor pressure is 95 torr and toluene's is 28 torr. The total vapor pressure (assuming ideal solution) is
- A
82 torr
- Bcheck_circle
73 torr ()
- C
123 torr
- D
63 torr
Explanation
Raoult: = (2/3)(95) + (1/3)(28) = 63.3 + 9.3 = 72.6 torr.