Question

6 When an evacuated tube of volume 400 cm is filled with gas at 300 K and 101 kPa, the mass of
the tube increases by 0.65 g.
Assume the gas behaves as an ideal gas.
What could be the identity of the gas?
A
argon
B helium
C krypton
D
neon

Answer 1

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c) Krypton

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