A truck has 5.9L diesel engine in it. 5.9L of the overall displacement in 6 cylinders each 102mm bore (diameter) and 120mm stroke (length). Engine operates at 16.3:1 compression ratio and with 6psi (0.41atm) of boost cruising at 1600rpm.

1.) The air mixture has an average molecular weight of 28.8g/mol, calculate the mass of in grams of the air. Air is 21% O2 by weight. Calculate the weight and moles of oxygen. The fuel, disel (C12H23) is in excess.