In 1993 the minnesota department of health set a health risk limit for 1,2-dibromoethane in groundwater of 4.00ng/l . suppose an analytical chemist receives a sample of groundwater with a measured volume of 81.0 ml. calculate the maximum mass in milligrams of 1,2-dibromoethane which the chemist could measure in this sample and still certify that the groundwater from which it came met minnesota department of health standards. round your answer to significant digits.
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