SOLUTION: A flask contains 500 ml of an 80% alcohol solution in water. How much of this solution must be drawn off and replaced by water to obtain a solution having a concentration of 25% a

SOLUTION: A flask contains 500 ml of an 80% alcohol solution in water. How much of this solution must be drawn off and replaced by water to obtain a solution having a concentration of 25% a

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Question 1165489: A flask contains 500 ml of an 80% alcohol solution in water. How much of this solution must be drawn off
and replaced by water to obtain a solution having a concentration of 25% alcohol?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Same idea no matter alcohol or something else in water

https://www.algebra.com/my/drain-and-replace-antifreeze.lesson?content_action=show_dev
https://www.algebra.com/my/drain-and-replace-antifreeze.lesson?content_action=show_dev
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