SOLUTION: a 12 litre solution is 100% acid.How much water must be added to get the solution having 20% acid?

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Question 667174: a 12 litre solution is 100% acid.How much water must be added to get the solution having 20% acid?
Answer by Alan3354(69443) About Me  (Show Source):
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a 12 litre solution is 100% acid.How much water must be added to get the solution having 20% acid?
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If 12 liters is 20%, the total solution = 5*12 = 60 liters
Add the acid to 48 liters of water.
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Don't pour water into strong acid, pour the acid into the water.