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. Follow these important hints: - Determine organic carbon partition coefficient (Koc)  - Use this Equation:  K oc = K d / f oc to calculate Kd.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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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. Follow these important hints:

- Determine organic carbon partition coefficient (Koc) 

- Use this Equation:  K oc = K d / f oc to calculate Kd.  

Select the range which includes your calculated answer.  

Group of answer choices
300 to 400
2.0 to 2.5 mg/l
2.0 to 2.5
2.6 to 4.8
0.5 to 1.0
2.6 to 4.8 mg/l
None of these ranges include my answer.
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