SOLUTION: A chemist has two solution of sulfuric acid: a 22% solution and an 70% solution. If the two solution are combined, how much of the 70% solution is needed to obtain 100 liters of a

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Question 963548: A chemist has two solution of sulfuric acid: a 22% solution and an 70% solution. If the two solution are combined, how much of the 70% solution is needed to obtain 100 liters of a 60% solution. Round to nearest tenth.
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
http://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev

The lesson uses two unknown variables, but the method can be converted to use ONE variable only.

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