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Chemistry Regents June 2008 - Question 71 PDF Print E-mail
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Written by The Chemistry Wizard   

chemjun08q (71)

A DO concentration between 6 and 8 parts per million is considered healthy.

(2.7x10-2 g dissolved oxygen) /3800 grams of water (this factor must be multiplied by 106)

Your result is 7.1 ppm, which is  a healthy level, because it falls within the required range of oxygen.

 

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