Call

Molar mass of butane =58.12

12/58.12=0.21mol

Molar mass of O2= 31.998

12/31.998=0.38mol

Molar mass of CO2= 44.01

Mole ratio CO2:O2= 8:13

Mole ratio CO2: C4H10=8:2

= 4.615Γ—44.01Γ—0.59=119.83g

Molar mass of H2O=18.01528

Mole ratio H2O:O2 =10:13

Mole ratio H2O: C4H10=10:2

5.77Γ—18.01528Γ—0.59=61.33g