上游充通大粤 SHANGHAI JIAO TONG UNIVERSITY 9.1 Freezing point depression (4) The liquid solution is in equilibrium with the pure solid. T △G L(T-T RTIolunon T a1.pure 人 Liquid L(T-T )=-RT ohunon ideal solution L+S Tn If T is close to the Tm NIVE In x1.solution L(T-T) RT Melting point depression XB1 X L(T -T) △T=Tm-T XB 三 n1-2）=-zs7 nall z RT品 99.1 Freezing point depression (4) Tm T Liquid L+S T1 xB1 x 9