Define the term LD50. Which of the following chemicals is more toxic (LD50 values in parenthesis in mg/kg): arsenic (48), sodium cyanide (6.4), nicotine (1.0)?
Added by Martha R.
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LD50 (Lethal Dose 50) is the dose of a substance that is lethal to 50% of a test population, usually expressed in milligrams of the substance per kilogram of body weight (mg/kg). Now, let's compare the LD50 values of the given chemicals: Show more…
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