Jawabanmu

2014-08-30T19:41:59+07:00
Delta Tb = m x Kb
0,36 = m x 0,52
m = 0,6923

Delta Tf = m x Kf
Delta Tf = 0,6923 x 1,86 = 1,2877
Tf larutan = Tf pelarut - delta Tf
Tf larutan = 0 - 1,2877 = - 1,2877