A gases mixture contains oxygen and nitrogen in the ratio `1 : 4` by weight. Therefore, the ratio of the number of molecules is:

A gaseous mixture contains oxygen and nitrogen in the ratio 1 : 4 by weight. Therefore, the ratio of the number of molecules is:

A gaseous mixture contains oxygen and nitrogen in the ratio of 1:4 by weight. Therefore, the ratio of their number of molecules is

A gaseous mixture contains oxygen and nitrogen in the ratio of 1 : 4 by weight therefore the ratio of their number of molecules is

A gaseous mixture contains oxygen and nitrogen in the ration of 1:4 by weight therefore, the ratio of their number of molecules is :

A gaseous mixture contains oxygen and nitrogen in the ratio 1:4 by weight. The ratio of their number of molecules is

A gaseous mixture contains oxygen and nitrogen in the ratio of 1:8 by mass. The ratio of their respective number of molecules (N_(O_(2)):N_(H_(2))) is