Question

a gaseous mixture contains oxygen and nitrogen in the ratio of 1:4 by mass. the ratio of their number of molecules is: (a) 1:4 (b) 1:8 (c)7:32 (d) 3: 16

Answer 1

I think it will be 1:4......

Answer 2

u can find their atomic mass by taking the real mass as x then put this the the ratios and then do it..
hope it helps u
thanks