The reaction A B+C has been carried out and the following graph reported:

where m= 3.

To achieve 83 % total conversion of A, two CSTR are placed in series and they are designed in a way that the first reactor shows 55% conversion and the second reactor increases the conversion to the desired amount ( 83 %). what is the total volume of both reactors together in liters if the entering molar flow rate of A was 2.9 mol/hr ?

Report your answer up to 2 decimal points. Do not truncate any intermediate step, but only the final answer.