SOLUTION: I have a pool witch has 17000 gallons of water, the water contains 300 ppm of cyanic acid, it should be 20 ppm, assuming fresh water has o how much of the 17000 gallons has to be r
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Question 862719: I have a pool witch has 17000 gallons of water, the water contains 300 ppm of cyanic acid, it should be 20 ppm, assuming fresh water has o how much of the 17000 gallons has to be replaced to reach this goal?
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
I want to suggest trying to generalize the typical radiator antifreeze drain-and-replace problem as a way to understand your type of question, so you should check this lesson very carefully; because the process works the same way:
Think of a pool as like a radiator and cyanic acid instead of antifreeze.
http://www.algebra.com/tutors/drain-and-replace-antifreeze.lesson?content_action=show_dev
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