The reaction is to be carried out isothermally in a continuous$-$flow reactor. The entering volumetric flow rate is $5$ L$/$min and remains constant throughout the reactor. Calculate the reactor volume necessary to consume $80\%$ of A for a

CSTR

PFR

Given: the feedstock containing $2$ mol$/$L A and no B and the reaction rate $-$ra $=0\mathrm{.}01$Ca$^0\mathrm{.}5[$mol$/$L$*$s$]$