A 30L tank contains 20L of a salt/water mixture with 4kg of salt. We begin pumping a mixture with. 08 kg/L concentration into the tank at 2 L/min Once the tank fills the mixture starts spilling over the top. Answer the following.
(a) How long before the tank is full?
(b) How much salt is in the tank the instant it is full?
(c) What is the concentration (not weight) in the tank after 7 minutes? min kg kg/L
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