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posted by  Xman1226 on 7/3/2009 12:43:09 PM  |  status: Live  |  Earned Karma: 53

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Question Details:
A water has a BOD5 of 10 mglL.  The initial DO in the BOD bottle water 8 mg/L and the dilution was 1/10 what is the final DO in the BOD bottle?.
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posted by Chandrayaan (MNK) on 7/4/2009 2:00:01 AM  |  status: Live
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Response Details:
We know ,Biochemical oxygen Demand can be calculated for dilution method by the formula
BOD = (Initial DO - Final DO)*Dilution factor
Putting the values
10 = (8 - Final DO)*10
1=8-Final Do
So Final DO = 7 mg/L



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