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Question 110288: Hi I ran across a problem the other day and I need help to solve it. I need to know the methods, equations and whatever else applies while ansering this question. Well here is the question:
A lab assistant needed 20 ounces of a 10% solution of sulfuric acid. If he has 20 ounces of a 15% solution, how much must he draw off and carefully replace with distilled water in order to reduce it to a 10% solution?
This is what I need help on and other problems similar to this. Your help would be greatly appreiciated thank you Answer by scott8148(6628) (Show Source):
