At 280°C, the Vapor Pressure of Pure Carbon Disulfide, CS₂, Is

Multiple Choice

At 28.0°C, the vapor pressure of pure carbon disulfide, CS₂, is 378.7 torr, while that of acetone, C₃H₆O, is 228.9 torr. What is the vapor pressure, at 28.0°C, of a solution made by mixing 0.250 moles of carbon disulfide and 0.450 moles of acetone, if Raoult's Law is obeyed?Hint: Organizing the given information into moles and mole fraction of each component will help in solving this problem.

A) 198 torr
B) 228 torr
C) 282 torr
D) 325 torr
E) 425 torr