Toxicologists use the term ld50to describe the number of, Ask an Expert

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Toxicologists use the term LD50to describe the number of grams of a substance per kilogram of body weight that is a lethal dose for 50 percent of test animals. Calculate the number of arsenic(VI) oxide molecules corresponding to an LD₅₀value of 0.015 for a 184-lb man, assuming that the test animals and humans have the same LD₅₀.

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