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Cm = 0,5 / 0,1 = 5mol/dm3
2)Cp = ms/mr *100%
Cp = 15g/135g * 100% = 11,2 %
Cm= n/v
100cm3= 0,1dm3
Cm=0,5/0,1= 5mol/dm3
2
Cp=masa sub/masa roztworu * 100%
mr=15+120=135
Cp= 15/135*100%= ok 11%