What volume is needed to store 0.80 moles of helium gas at 204.6 kpa and 300 k?

Question

Kierra Ellison

Chemistry

11 October, 17:56

What volume is needed to store 0.80 moles of helium gas at 204.6 kpa and 300 k?

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Answers (1)

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Jose Mckee · Answer 1

Answer is: 9,7 L is needed to store helium gas.

n (He) = 0,80 mol.

p (He) = 204,6 kPa.

T = 300 K.

R = 8,314 J/K·mol; universal gas constant.

Use ideal law eqaution: p·V = n·R·T.

V = n·R·T / p.

V (He) = 0,80 mol · 8,314 J/K·mol · 300 K : 204,6 kPa.

V (He) = 9,75 L.