V=0,2dm3
Cm=0,1mol/dm3
MNaBr=103g/mol
Cm=n/V => n=Cm*V
n=0,1*0,2=0,02 mola
1 mol - 103g
0,02 mola- x
x=2,06g NaBr
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V=0,2dm3
Cm=0,1mol/dm3
MNaBr=103g/mol
Cm=n/V => n=Cm*V
n=0,1*0,2=0,02 mola
1 mol - 103g
0,02 mola- x
x=2,06g NaBr