Question: Toluene ( MW = 9 2 . 1 3 , specific gravity = 0 . 8 6 6 , TLV = 5 0 ppm )

Toluene (MW =92.13, specific gravity =0.866, TLV =50 ppm) is lost by evaporation from aprocess at a rate of 1.3 pints per hour. What general ventilation rate is required to maintain the vapor concentration at the TLV? Assume a mixing factor of 4.1640 cim 6570 cfm 98,500 c/m 394,000 cim

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