Vanadium is an ultratrace metal in the human body with a typical concentration of approximately 17 ng/g body mass. How many milligrams of V are there in a person weighing 185 lb? 1 lb = 454 g

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Quizplus · Accepted Answer

To find the amount of vanadium in milligrams, first convert the body weight from pounds to grams: 185 lb × 454 g/lb = 83,990 g. Then, multiply by the concentration of vanadium: 83,990 g × 17 ng/g = 1,427,830 ng. Convert nanograms to milligrams: 1,427,830 ng × (1 mg / 1,000,000 ng) = 1.43 mg.

Vanadium Is an Ultratrace Metal in the Human Body with a Typical