Chemistry, 23.10.2021 09:10, damianb25

a tank contains 1000 l of pure water. brine that contains 0.05 kg of salt per liter of water enters the tank at a rate of 5 l/min. brine that contains 0.04 kg of salt per liter of water enters the tank at a rate of 10 l/min. the solution is kept thoroughly mixed and drains from the tank at a rate of 15 l/min.

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a tank contains 1000 l of pure water. brine that contains 0.05 kg of salt per liter of water enters...