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A 0479-G Sample of Nitrogen,oxygen or Neon Gas Occupies a Volume

Question 34

Multiple Choice

A 0.479-g sample of nitrogen,oxygen or neon gas occupies a volume of 265 mL at 157 l Pa and 20.0 ∘\circ C.What are the molar mass and identity of the gas?


A) 14.0 g.mol-1,N
B) 32.0 g.mol-1,O2
C) 20.1 g.mol-1,Ne
D) 16.0 g.mol-1,O
E) 28.0 g.mol-1,N2

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