USE THE VALUES GIVEN BELOW THE PROBLE

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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USE THE VALUES GIVEN BELOW THE PROBLEM

A tank initially contains 200 gallons of water in
which 50 lbs of salt are dissolved. A salt solution
containing 0.5 lb of salt per gallon is poured into
the tank at a rate of 1 gal/min. The mixture in the
tank is stirred and drained off at the rate of 2
gal/min.
a) Find the amount of salt in the tank until the
tank is empty.
b) Find the concentration of salt in the tank until
the tank is empty.
Where:
x (t) = amount of substance dissolve in the
solution at any time t
ri
=
container
SHOW FBD
flow rate of the solution coming in the
C₁ = concentration of the solution coming into
the container
dx
dt
ro =
flow rate of the solution coming out from
the container
Co
= concentration of the solution coming out
from the container
||
r¡Ci - roCo
Transcribed Image Text:A tank initially contains 200 gallons of water in which 50 lbs of salt are dissolved. A salt solution containing 0.5 lb of salt per gallon is poured into the tank at a rate of 1 gal/min. The mixture in the tank is stirred and drained off at the rate of 2 gal/min. a) Find the amount of salt in the tank until the tank is empty. b) Find the concentration of salt in the tank until the tank is empty. Where: x (t) = amount of substance dissolve in the solution at any time t ri = container SHOW FBD flow rate of the solution coming in the C₁ = concentration of the solution coming into the container dx dt ro = flow rate of the solution coming out from the container Co = concentration of the solution coming out from the container || r¡Ci - roCo
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