SOLUTION: In the chemistry lab, Efren mixed salt and water to produced 4 liters of a 50% solution. He wanted to know how many liters he will have to evaporate so that he gets a 75% solution?

Question 1005197: In the chemistry lab, Efren mixed salt and water to produced 4 liters of a 50% solution. He wanted to know how many liters he will have to evaporate so that he gets a 75% solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
liters of water to start with
Let liters = amount to be evaporated
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You end up with the same liters of salt you started with ( 2 liters )

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1 and 1/3 liters must be evaporated
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check:

OK
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