STUDY CHECK\ For a

3mI_(2)(MW

)

=

(

254(g)/(m)ol)

solution in cyclohexane

(MW

)

=

(

84(g)/(m)ol)

at

279K

given given that the vapor pressure of cyclohexane at that temperature is

5.164kPa

and the solution density is

1.3(g)/(m)L

: (a) calculate the solute mole fraction. (b) calculate the vapor-pressure lowering in

kPa

.

STUDY CHECK For a 3mI2(MW=254g/mol) solution in cyclohexane (MW=84g/mol) at 279K given given that the vapor pressure of cyclohexane at that temperature is 5.164kPa and the solution density is 1.3g/mL : (a) calculate the solute mole fraction. (b) calculate the vapor-pressure lowering in kPa