The reaction, 4A(g) →B(g)+6C(g) is carried out in a Plug flow reactor with first order rate, == -A (10/hr)C at 650°C. Calculate the size of the reactor that gives 80% conversion of feed consisting of 50 mol of pure A per hour at 650°C and 450 kPa. 148 L 188 L 178 L 168 L