3.6 gm O2 is adsorbed on 1.2 gm of metal powder. What volume of oxygen adsorbed per gm of the adsorbed at 1atm and 273 k

3.6 grams O2 is adsorbed on 1.2 gm of metal powder(x=?)←←←←←← on 1 gm of metal powderx =11.2×3.6=3 gm of o232 gm of o2 occupies 22.4 lit 3 gm of o2 occupies→(x=?)332×22.4 =2.1 lit