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

User Jack Fox
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1 Answer

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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
User Linqu
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