Determine the fuel model cnhm- the mass percentages of c

Question

The Orsat analysis of the (dry) products of combustion of an unknown hydrocarbon is 9.10% CO₂, 8.90% CO, and 82.0% N₂ (no O₂ is present). Determine

a. The fuel model (C_nH_m).

b. The mass percentages of C and H present in the fuel.

c. The molar air/fuel ratio and percent theoretical air used in the combustion.

d. The dew point temperature at 0.106 MPa.