help on E & F

4 B The exothermic reaction of stillbene (A) to form the cconomically important trospophene (B) and methane (C), i.e., AB+C was carried out adiabatically and the following data recorded: The entering molar flow rate of A was 300mol/min. (e) What conversion can be achicved if a 24-dm' CSTR is followed in a series by a 72dm3 PFR? (f) Plot the conversion and rate of reaction as a function of PFR reactor volume up to a volume of 100dm3