A$<>$B first order $(-$rA$=$kCA$)$ reaction isothermally at constant volumeIt is carried out in a batch reactor.Initially, $700$ L of $1\mathrm{.}5$ M A solution was added to the reactor.has been approached. Find the stress required to consume $80\%$ of the raw material. $($Reactionrate constant k$-0\mathrm{.}0011/$min$.)$