SOLUTION: what quantity of water should be taken out from a solution to convert 495litres of 25% concentrated acidic liquid into a 45% concentrated acidic liquid?

Question 902550: what quantity of water should be taken out from a solution to convert 495litres of 25% concentrated acidic liquid into a 45% concentrated acidic liquid?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
This method is only good if the acid's concentration is in percent volume per volume and if the acid is a liquid in its pure form:

v is the amount of water to be removed, in liters.
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