A-->1.8 R second-order homogeneous gas phase reaction is carried out in a laboratory-scale PFR with an inner diameter of 10 cm and a length of 1.4 m. Initially, pure substance A is 3 atm pressure, It is fed into the reactor with a temperature of 140 C and a volumetric flow rate of 3.5 m^3/hr, and it is determined that the conversion is 80% in the stream leaving the reactor. Subsequently, the same reaction was performed in a commercial plant at a PFR of 90% A at a volumetric flow rate of 430 m^3/hr with an initial feed stream of 10 atm pressure, 140C temperature and 70% A + 30% inert. transformation is desired. Calculate the volume of a single reactor to be used in commercial operation? Determine how many PFRs with an inner diameter of 10 cm and a length of 1.4 m should be used in the enterprise? [VPFR=(D^2/4)*L ; CAo = PAo /RT; Substance A can be considered an ideal gas]