A 54.4-g sample of glucose (a nondissociated, nonvolatile solute with the formula C₆H₁₂O₆) is dissolved in 154.4 g of water. What is the vapor pressure of this solution at 100°C? A) 734 torr B) 562 torr C) 25.9 torr D) 760 torr E) 198 torr

Question

Quizplus · Accepted Answer

The vapor pressure of pure water at 100°C is 760 torr. The mole fraction of glucose is calculated and used to find the vapor pressure lowering. The vapor pressure of the solution is then 734 torr.

A 544-G Sample of Glucose (A Nondissociated, Nonvolatile Solute with the the Formula