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m=260 g
Szukane: d=?
d=m:v d=260g:250cm3
d=1,04g na cm3
ρ=m/V, gdzie:
ρ- gestość ρ=?
m- masa m=260g
V- objętość V=0,25 dm³=250cm³, zatem:
ρ=260/250=1,04g/cm³