A gas contains 80.0wt% propane. 15.0 wt% n-butane and the balance water
(a) Calculate the molar composition of this gas on both a wet and a dry basis and the ratio (mol H2O/mol dry gas).
(b) If 100 kg/h of this fuel is to be burned with 30% excess air, what is the required air feed rate (k mol/h)? How would the answer change if the combustion were only 75% complete?