Jawabanmu

2014-08-28T19:26:13+07:00
ΔTb=Kb×m
  0.2=0.52×m
  m=0.38

ΔTf=Kf×m
     =1.86×0.38
     =0.7068
titik beku=0-0.7068
             = -0.7068
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