Jawabanmu

2014-05-08T11:35:04+07:00
Massa jenis air : 1000 kg/m3
cari massanya : ro x v = 1000 x 6 x 10-4 = 0,6kg = 600 gram
cari molnya = gr/Mr = 600/18 = 33,33 mol
molekul = mol x Na = 33,33 x 6,022 x
 10^{23} =2 x 10^25 

5 2 5