1L of CO2 becomes 1.6L when passed through a red-hot charcoal(C), amount of CO2 in the mixture will be
Let 1L of C and CO2 mixture contain x litres of CO2
C+CO2⟶2CO
Therefore, total volume=(1+x)litres.
1+x=1.6, or, x=0.6 litres.
Hence, 60% of CO2