MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryGaseous statePrevious Year Questions

8.2L of an ideal gas weighs 9.0g at 300 K and 1 atm pressure. The molecular mass of the gas is (Manipal 2009)

A.9

B.27✓ Correct

C.54 (d) 81

Explanation

Given : V = 8.2 L, w = 9.0 g, T = 300 K Ideal gas equation is Gaseous State 26 or w pv nRT pV RT M 1 9.0 0.082 300 27 1 8.2 wRT M g mol pV x x x

Take chapter-wise tests, track your progress, and master Gaseous state.