Differential Equations: Compartmental Analysis Word Problem  TOPIC_SOLVED

Limits, differentiation, related rates, integration, trig integrals, etc.

Differential Equations: Compartmental Analysis Word Problem

Postby FrozenBlood on Tue Mar 03, 2009 8:26 pm

A brine solution of salt flows at a constant rate of 4 L/min into a large tank that initially held 100 L of pure water. The solution inside the tank is kept well stirred and flows out of the tank at a rate of 3 L/min. If the concentration of salt in the brine entering the tank is 0.2 kg/L, determine the mass of salt in the tank after t minutes. When will the concentration of salt in the tank reach 0.1 kg/L?
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Postby stapel_eliz on Sun Apr 05, 2009 6:02 pm

Try the solution posted here. :wink:
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Re:

Postby FrozenBlood on Mon Apr 06, 2009 8:35 pm

stapel_eliz wrote:Try the solution posted here. :wink:


Thanks, though I managed to find that exact solution page shortly after I posted this thread last month.
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