Question

How will the vapor pressure of a pure liquid change if enough solute is added to result in a mole fraction of 0.50?

A] The vapor pressure of the liquid will decrease a small amount.
B] The vapor pressure of the liquid will decrease by half.
C] The vapor pressure of the liquid will double.
D] None of the listed answers are correct
E] The vapor pressure of the liquid will increase a small amount.

Answer 1

A] The vapor pressure of the liquid will decrease a small amount.