A given sample of an ideal gas occupies a volume, V at a pressure, P and absolute temperature, T . The mass…

A given sample of an ideal gas occupies a volume, V at a pressure, P and absolute temperature, T. The mass of each molecule of the gas is m . Which of the following gives the density of the gas?
  1. PkT
  2. PmkT
  3. PkTV
  4. mkT

Solution

PV=nRTPV=mMRT

P=RMmVTPρ=RmNAT

Pρ=kTm

ρ=PmkT.

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Asked in: NEET 2016 (Phase 2)

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