A barrel contains 25 liters of a solvent mixture that is
40%
solvent and 60% water. Lee will...
A barrel contains 25 liters of a solvent mixture that is
40%
solvent and 60% water. Lee will add pure solvent
to the barrel, without removing any of the mixture
currently in the barrel, so that the new mixture will
contain 50% solvent and 50% water. How many liters
of pure solvent should Lee add to create this new
mixture?
Answers: 1
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