Engineering, 11.09.2019 01:10 sleepyflower10

Ariver discharges 4 m3/s into a lake with a volume of 4,000,000 m3. the concentration of arsenic in the river is 1 ppb. an industry discharges 0.5 m3/s with an arsenic concentration of 20 ppb into the lake. the arsenic adheres to clay in the bottom of the lake creating an effective water concentration decay coefficient of 0.1 per day. what is the arsenic concentration leaving the lake?

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Ariver discharges 4 m3/s into a lake with a volume of 4,000,000 m3. the concentration of arsenic in...