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2014-08-24T14:17:43+07:00
M = 6/60 x 1000/200 = 0.5 m
sesudah dicampur
massa urea = 6 + 12 = 18 gr
massa air = 200 + 300 = 500 gr
m= 18/60 x 1000/500 = 0.6 m
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