SOLUTION: A chemist mixes distilled water with a 90% solution of sulfuric acid to produce a 50% solution. if 5 liters of distilled water are used, how much 50% solution is produced?

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Question 985225: A chemist mixes distilled water with a 90% solution of sulfuric acid to produce a 50% solution. if 5 liters of distilled water are used, how much 50% solution is produced?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Maybe the concentrations are volume per volume. If they are then the question and description is reasonable;

v, how much sulfuric acid

90%2Av%2F%28v%2B5%29=50