V=5m*4m*3m=60m³=60 000dm³
0,21*60 000dm³=12 600dm³
V=12 600dm³
d=1,43g/dm³
m=?
d=m/V /*V
m=d*V
m=1,43g/dm³ * 12 600dm³
m=18018g=18,018kg
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V=5m*4m*3m=60m³=60 000dm³
0,21*60 000dm³=12 600dm³
V=12 600dm³
d=1,43g/dm³
m=?
d=m/V /*V
m=d*V
m=1,43g/dm³ * 12 600dm³
m=18018g=18,018kg