What is the retardation factor of a pulse of dissolved benzene move through organic-rich wetland soil (organic carbon fraction of soil, foc=50%) if the effective porosity is 0.4 and the bulk density of the soil is 1.5 g/cm3. Hint: organic carbon partition coefficient for Benzene Koc = 1.50 Use K oc = K d / f oc to calculate Kd. Select the range which includes your calculated answer. a) 300 to 400 b) 2.0 to 2.5 mg/l c) 2.0 to 2.5 d) 2.6 to 4.8 e) 0.5 to 1.0. f) 2.6 to 4.8 mg/l

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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What is the retardation factor of a pulse of dissolved benzene move through organic-rich wetland soil (organic carbon fraction of soil, foc=50%) if the effective porosity is 0.4 and the bulk density of the soil is 1.5 g/cm3.  

Hint: organic carbon partition coefficient for Benzene Koc = 1.50 

Use K oc = K d / f oc to   calculate Kd.  

Select the range which includes your calculated answer.  

a) 300 to 400  
b) 2.0 to 2.5 mg/l
c) 2.0 to 2.5
d) 2.6 to 4.8
e) 0.5 to 1.0.  
f) 2.6 to 4.8 mg/l
 
 
 
 
  
None of these ranges include my answe
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