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Chemistry, 19.09.2019 18:30 theylovelillexx2258
Atank contains 9000 l of pure water. brine that contains 20 g of salt per liter of water is pumped into the tank at a rate of 25 l/min. the concentration of salt after t minutes (in grams per liter) is c(t) = 20t/360+t as t β [infinity], what does the concentration approach?
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