Example #2:

210.0g

of the nonvolatile solute sucrose

(C_(12)H_(22)O_(11))

is added to

485.0g

of

25.0\\\\deg C

. What will be the pressure of the water vapor over this solution? (The vapor pressure pure water is 23.8 torr at

25.0\\\\deg C

.)\ Solution:\ A) Determine moles of water and sucrose:\ B) Determine the mole fraction of the solvent:\ C) Using Raoult's Law, determine the vapor pressure:

2. Example \#2: 210.0g of the nonvolatile solute sucrose (C12H22O11) is added to 485.0g of 25.0C. What will be the pressure of the water vapor over this solution? (The vapor pressure pure water is 23.8 torr at 25.0C.) Solution: A) Determine moles of water and sucrose: B) Determine the mole fraction of the solvent: C) Using Raoult's Law, determine the vapor pressure