Jawabanmu

2014-04-21T19:36:59+07:00
Dik.m1=3g=0,003kg
     T1=20°c
     m2=2g=0,002kg
     T2=60°c
     C air=4200
dit. T campuran

m.C.ΔT=m.C.ΔT
0,002 x 4200 (60-T)=0,003 x 4200 (T-20)
8,4 (60-T)=12,6 (T-20)
504-8,4T=12,6T-252
504+252=12,6T+8,4T
756=21T
T=756/21
T=36°c
1 5 1