The level of a lake drops throughout the summer due to water evaporation. (a)How much volume will the lake lose per day to to evaporation? (b) How long will it take for the water level to drop 1m ? conc. of water in the wind 0.4103kgmol/m3 area of the lake 1.7 mi2 mass transfer coefficient 0.012m/s density of the lake water 1000kg/m3