A gaseous feed of pure liter$)$ enters a mixed flow reactor $(2$ liters$)$ and reacts as follows: $2AR,-r_A=0\mathrm{.}05C_A^2\frac{\text{m}\text{o}\text{l}}{litresec}$

Find what feed rate $($liter$/$min$)$ will give an outlet concentration $CA=0\mathrm{.}5mo\frac{l}{?}$ liter.

A mixed flow reactor is being used to determine the kinetics of a reaction whose stoichiometry is