Question

A gaseous mixture contains equal mass of 02 and SO2. The mole fraction of SO2 in the mixture is ?

Answer 1

Let the mass of O2 and SO2 be X gram

Moles of O2=x/32

moles of SO2= x/64

mole fraction of So2 =( x/64)/x/32 +x/64

= (x/64)/3x/64

=x/3x

=1/3

Hope it helps