Question: please help (urgent) 4) A large open tank with a 1.5 m diameter contains toluene. Estimate the evaporation rate from this tank assuming a temperature

please help (urgent)

4) A large open tank with a 1.5 m diameter contains toluene. Estimate the evaporation rate from this tank assuming a temperature of 25C & a pressure of 1 atm. If the ventilation rate is 85 m/min estimate the concentration of toluene in this workplace enclosure (solve for k=0.1). What ventilation rate would be required to bring the concentration of toluene to the TLV

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