Chemistry, 19.11.2019 05:31, strange5eyes

Suppose a tank contains 100 gallons of a solution of 10 lb of salt dissolved in water, which is kept uniform by stirring. pure water is allowed to flow into the tank at a rate of 3 gallons per minute, and the mixture flows out at a rate of 2 gallons per minute. how long will it take for the amount of salt in the mixture to be reduced to 5.55.5 lb?

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Suppose a tank contains 100 gallons of a solution of 10 lb of salt dissolved in water, which is kept...