Odpowiedzi

2009-11-30T22:31:12+01:00
Mr=V*gęstość=0,5*1,15=0,575g
cp=ms*100%/mr
ms=cp*mr/100%=10*0,575/100=0,0575g=57,5mg
2009-11-30T22:32:36+01:00
Dane:
V= 0,5cm³
d=1,15g/cm³
Cp=10%

C%=ms/mr x 100%

mr=d x V
mr=1,15g/cm³ x 0,5cm³
mr=0,575g

ms=Cp x mr/100%
ms=10% x 0,575g/1005
ms=0,0575g...