Moles of methyl salicylate=30.0/122=0.246mol
Molality of solution=moles of solute/mass of solvent in kg
                              Â
=0.246/0.800=0.307 m
Depression in freezing point,
dTf=kf*molality
                                              Â
=5.10*0.307=1.568?
Freezing point of benzene=5.50-1.57
                                              Â
=3.93 ?
 Â
