SOLUTION: A 75 mL solution of acid in water contains 25% acid. How much water needs to be added in order to make a 5% acid solution?

Question 532192: A 75 mL solution of acid in water contains 25% acid. How much water needs to be added in order to make a 5% acid solution?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A 75 mL solution of acid in water contains 25% acid. How much water needs to be added in order to make a 5% acid solution?
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The acid is 75/4 ml = 18.75 ml of acid
If 18.75 ml is 5%, the total solution is 18.75*20 = 375 ml
375 - 75 = 300 ml of water added.
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