Odpowiedź :
1m3=1000dm3
50000dm3-------xg
1dm3-----------0,164g
x = 8200g
x = 8,2kg helu
DANE: `````````````````````````````````````````````````````````````````````` pojemność - 50 m3
m- ?
ro (gęstość) - 0,164 g / dm3
1 m3 = 10 dm x 10 dm x10 dm = 1000dm3
50 m3 = 50000 dm3
50000dm3 to ?
1dmto 0,164g
więc ? = 8200g
Odp. Masa helu wynosi 8200 g.