a) delta T = Kf*m
b) delta T = *Kb*m
c) The vapor pressure is ALWAYS less (for ideal solution) when a non-volatile solute is added to a volatile solvent. Why? Think about the sugar molecules getting in the way of the water molecules and they (the water molecules) can't escape as easily.
the following questions are about colligative properties:
a)How much would the freezing point change in a 2.5 solution of phenol in benzene?
b)how much would the boiling point change in a 1.m solution of magnesium chloride in ethanol?
c)Does adding sugar to water raise or lower the vapor pressure of water? why?
1 answer