Balon o pojemnosci 50m3 napelniono helem.oblicz mase helu w balonie wiedzac ze gestosc helu w temperatuze 25C wynosi 0,164 g/dm3
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50m3=50000dm3
d=m/v
m=d*v
V=50000dm3
d=0,164g/dm3
m=50000dm3*0,164g/dm3, skracamy dm3
m=8200g
Odp: Masa helu w balonie to 8200g