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You work for a consulting company. At a field testing site, the concentration of mercury (Hg) was determined to be 2 mg per kg

 

You work for a consulting company. At a field testing site, the concentration of mercury (Hg) was determined to be 2 mg per kg of soil. You determine the concentration to be 2 X 10 (mass fraction), your boss determines it to be 2 ppm, and your co-worker as 2000 ppb. Show calculations to determine who is correct.

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