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Cm=6,9mol/dm3
d=1,38g/cm3 = 1380g/dm3
Cp=Cm*M*100%/d
Cp=6,9*63*100/1380
Cp=31,5%
d=1,38g/cm3=1380g/dm3
Cp=?
MmolHNO3=1+14+48=63g
Cm=Cp x d/Mmol x 100% => Cp=Cm x Mmol x 100%/d
Cp=6,9 x 63 x 100/1380 = 31,5 %
Odp Stęzenie procentowe wynosi 31,5 %