Odpowiedzi

2009-11-08T15:18:19+01:00
Ms=?
v=50 cm3
Cp=20%
d=1,2 g/cm3

d=mr/v
mr=d*v
mr=50*1,2=60 g

ms=Cp*mr/100%
ms=20%*60g/100%
ms= 12 g
4 4 4
2009-11-08T20:03:45+01:00
D=m/v
m=d*v
m=60g

Cp= ms100%/mr
ms= (cp*mr)/100%
ms= 20%*60/100%
ms=12g
2 5 2