1.

Equal weights of methane and hydrogen are mixeed in an empty container at 25^(@)C. The fraction of total pressure exerted by hydrogen is :

Answer»

`1//`8
`8 //9`
`1//9`
`16//17`

Solution :The fraction of total pressure exerted by HYDROGEN is equalt o its mole fraction, i.e.,
`((1)/(2)) /((1)/(2) + ( 1)/( 16) ) = (( 1)/( 2))/((9)/( 16)) = ( 1)/(2) XX ( 16)/( 9) = ( 8)/( 9 )`


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