A gas was found to have a density of 0.0847g/L at 17°C and a pressure of 760 torr. The gas must be?

A. CH4
B. He
C. N2
D. None of These

Submitted by: Abdul

Hint:

d= PM/RT

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The correct answer to the question: "A gas was found to have a density of 0.0847g/L at 17°C and a pressure of 760 torr. The gas must be?" is "He".