1.

From a porous vessel containing equimolar proportions of hydrogen and oxygen, the composition by mass of the mixture effusing out is : hydrogen and oxygen in the ration of

Answer»

`1:4`
`2 SQRT( 2) : 1 `
`1: 2 sqrt(2)`
`4:1`

Solution :`( "Rate of effusion of " H_(2))/( "Rate of effusion "O_(2)) = ( " Mass" ( H_(2))//t) /( "Mass" ( O_(2))//t) = sqrt((32)/( 2))`
`("Mass of " H_(2))/( "Mass of " O_(2)) = ( 4)/(1)`
or `4:1`


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