A gaseous mixture contains 4.0g of `H_(2)` and 56.0g of `N_(2)`. The mole fraction of `H_(2)` in the mixture is

A gaseous mixture contains equal mass of CH_(4) and SO_(2) gas. The mole fraction of SO_(2) in the mixture is

A gas mixture 44g of CO_(2) and 14g of N_(2) , what will be fraction of CO_(2) in the mixture

In a flask at a certain temperature , there are 2g H_(2) and 8 g O_(2) the mole fraction of H_(2) in the given mixture is _____