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DIA [1.3K]
3 years ago
15

A 2.00 gram sample of helium gas at STP will occupy a volume of

Chemistry
1 answer:
Hitman42 [59]3 years ago
5 0
Molar mass Helium ( He ) = 4,0 g/mol

solute = 2,00 g

Number of mols:

n = m / mm

n = 2,00 / 4,0

n = 0,5 moles of Helium

1 mol Helium ------------ 22,4 L  STP
0,5 moles ---------------- x L

x = 0,5 . 22,4

x = 11,2 L
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