A reactant that obeys an autocatalytic reaction (A → R) is fed into a PFR recycle reactor so that the final conversion reaches 95%. If R = 0.35, -r₁= 1.5[A][R], CẠo = 13 M, CRO = 0 M and the volumetric flow rate is 20 L/min, find the volume of the PFR. Round your answer to two decimal places.

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