SOLUTION: How much pure acid should be mixed with 5 gallons of a 40% acid solution in order to get a 90% acid solution?
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Question 752579: How much pure acid should be mixed with 5 gallons of a 40% acid solution in order to get a 90% acid solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = gallons of pure acid to be added
gallons of acid in 40% solution
---------------
25 gallons of pure acid must be added
check:
OK
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