10 dm3---100%
x dm3---0,04%
x=0,004 dm3=0,000004 m3
Dane:
V=0,000004 m3
d=1,96 kg/m3
Szukane:
m=?
m=d*V
Obliczenia:
m=1,96 kg/m3*0,000004 m3
m=0,00000784 kg=0,00784 g
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10 dm3---100%
x dm3---0,04%
x=0,004 dm3=0,000004 m3
Dane:
V=0,000004 m3
d=1,96 kg/m3
Szukane:
m=?
m=d*V
Obliczenia:
m=1,96 kg/m3*0,000004 m3
m=0,00000784 kg=0,00784 g