In a tank are 100 liters of brine containing 50 kg. total of dissolved salt. Pure water is allowed to run into the tank at the rate of 3 liters a minute. Brine runs out of the tank at the rate of 3 liters a minute. The instantaneous concentration in the tank is kept uniform by stirring. How much salt is in the tank at the enc of one hour?

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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In a tank are 100 liters of brine containing 50
kg. total of dissolved salt. Pure water is
allowed to run into the tank at the rate of 3
liters a minute. Brine runs out of the tank at the
rate of 3 liters a minute. The instantaneous
concentration in the tank is kept uniform by
stirring. How much salt is in the tank at the enc
of one hour?
Select one:
O a. 12.62 kg
O b. 19.53 kg
O c. 20.62 kg
O d. 15.45 kg
Transcribed Image Text:In a tank are 100 liters of brine containing 50 kg. total of dissolved salt. Pure water is allowed to run into the tank at the rate of 3 liters a minute. Brine runs out of the tank at the rate of 3 liters a minute. The instantaneous concentration in the tank is kept uniform by stirring. How much salt is in the tank at the enc of one hour? Select one: O a. 12.62 kg O b. 19.53 kg O c. 20.62 kg O d. 15.45 kg
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