SOLUTION: How much pure acid should be mixed with 6 gallons of a 20% acid solution in order to get a 40% acid solution?
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Question 367659: How much pure acid should be mixed with 6 gallons of a 20% acid solution in order to get a 40% acid solution?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let A be the amount of 100% acid.
gallons
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