Answer to Question #59637 in General Chemistry for Oliver Sampson

General Chemistry

Question #59637

A rice sample was analyzed as received for the total arsenic content by the method of Raber et al., in which a 250 mg sample is dissolved in 10 mL of solution, which was then analyzed by ICP-MS. The solution contained 5.6 μg L-1 of arsenic. In a separate experiment the moisture content of the rice was determined to be 12%. What was the concentration of arsenic on a dry weight basis in μg kg-1?

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