Jawabanmu

2014-03-31T19:47:31+07:00
M= 0,5 kg
at= 0'c
l= 336.000kj/kg
= 1680000/1000=1680
2014-03-31T20:23:00+07:00
M= 500 gr= 0,5kg
L= 336.000 kJ/kg
Q2= mL
     0,5 . 336000
     168000 kJ

maaf kalo salah ya?