Question: A CSTR and PFR had same cross - section area. Both the reactors removed 8 0 % of the contaminant while treating the same wastewater

A CSTR and PFR had same cross- section area. Both the reactors removed 80% of the contaminant while treating the same wastewater with same flowrate. What is the ratio of lengths of the CMFR and the PFR?(GATE 2019).
A CSTR and PFR had same cross - section area.

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