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JAMB UTME

The density of a certain gas is 1.98gdm-3at s.t.p. What is the molecular mass of the gas?
[Molar volume of gas at s.t.p = 22.4dm3]

A.
44.0g
B.
54.0g
C.
26.0g
D.
31.0g

Answer: A

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