Question $3)$ The liquid phase reaction in the form of A$->$B takes place in a $10000$ L fully stirred continuous reactor $($CSTR$).$ The first order rate constant of the reaction was calculated as $2\mathrm{.}5$ x $10-3$ min$^-1.$ If the feed rate is $0\mathrm{.}3$ L$/$second and the initial concentration of substance A is $0\mathrm{.}12$ mol$/$L$,$ what is the conversion of substance A in steady state?