čônčěntrátion enters the tank at 20 kg/min and the mixture leaves the tank after complete mixing at a rate of 10 kg/min. Obtain an expression for the salt concentration in the outlet as a function of time and the salt concentration in the tank after 1 hour. What will be the time at which the salt concentration in the tank will be 15%?

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Solve the problem on the applications of differential equations.

A tank contains 1000 kg of a 10% salt
solution. A stream containing salt at 20%
concentration enters the tank at 20 kg/min
and the mixture leaves the tank after
complete mixing at a rate of 10 kg/min.
Obtain an expression for the salt
concentration in the outlet as a function of
time and the salt concentration in the tank
after 1 hour. What will be the time at which
the salt concentration in the tank will be 15%?
Transcribed Image Text:A tank contains 1000 kg of a 10% salt solution. A stream containing salt at 20% concentration enters the tank at 20 kg/min and the mixture leaves the tank after complete mixing at a rate of 10 kg/min. Obtain an expression for the salt concentration in the outlet as a function of time and the salt concentration in the tank after 1 hour. What will be the time at which the salt concentration in the tank will be 15%?
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