SOLUTION: How many liters of water should be evaporated from 140 liters of a 12% saline solution so that the solution that remains is a 20% saline solution.
Question 705998: How many liters of water should be evaporated from 140 liters of a 12% saline solution so that the solution that remains is a 20% saline solution. Found 2 solutions by josgarithmetic, josmiceli:Answer by josgarithmetic(39617) (Show Source):
You can put this solution on YOUR website! The saline quantity stays the same but the water keeping it in solution becomes less. w is water to remove.
find w.
You can put this solution on YOUR website! Let = liters of water to be evaporated liters of salt in 12% solution
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You start with liters of salt,
and you finish with the same amount.
56 liters of water need to be evaporated
check:
OK
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