1.

0.6 L of an ideal gas weighs 1.80 g at 27^(@)C and 1 atm pressure. Its approximate molar mass is :

Answer»

36.9
`72.0`
147.6
369

Solution :`M = ( MRT)/( PV) = ( 1.80 xx 0.08 xx 300)/( 1\ xx 0.6 ) = 72 `


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