I need help solving number 4. please

A mixture of pentene (86.3%), molecular oxygen (11.9%), and the rest of molecular nitrogen is burned in 110% excess air such that the combustion process is incomplete with 85% of the carbon in the fuel converted to CO2 and 15 percent converted to CO. The gaseous mixture enters the process with (260kg/hr). The gas leaving the process is in a dry basis. The products leave the process at 125kPa and 600K. 1. Make a sketch of the process. (5) 2. Give a basis. (2) 3. Give the degree of freedom analysis. (3) 4. Determine all molar compositions and molar streams of the process. (8) 5. Make the "default" table for each stream. (12) 6. Determine the dew point temperature