Lauren H. answered • 10/11/18
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Experienced High School Chemistry Teacher
4 gal (20%) + x gal(100%) = (4 + x gal)(50%)
80 + 100x = 200 + 50x
50x = 120
x = 2.4
Add 2.4 gal of pure dye
Luke J.
asked • 10/11/18How much pure dye must be added to 4 gallons of 20% dye solution to increase the solution to 50% concentration of the dye?
Round to the nearest tenth
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