SOLUTION: How many liters of pure acid must be mixed with 20 liters of a 15% solution to get a 20% mixture?
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Question 125535: How many liters of pure acid must be mixed with 20 liters of a 15% solution to get a 20% mixture?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(liters of acid) / (liters of solution) = .20
Let = liters of pure acid to be added
1.25 liters of pure acid must be added
check:
OK
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