Question

i want ans of this question with step

Answer 1

you are given that 2 moles of co2 and 4 moles of o2 then total moles is 6 then mole fraction of co2 in mixture is 2÷6 that is 1/3 and similar as o2 is 4÷6 that is 2/3

Answer 2

they gave that 2moles of co2 and 4moles of o2
mole fraction of co2 =2/4+2 =1/3
o2 =3/4+2=1/2