Lead is a toxic substance. The \"normal\" lead content in humanblood is about 0.

Question

Lead is a toxic substance. The "normal" lead content in humanblood is about 0.40 part per million (that is, 0.40 g of lead permillion grams of blood). A value of 0.80 part per million (ppm) isconsidered to be dangerous. How many grams of lead are contained in6.0 x 103 g of blood (the amount in an average adult) ifthe lead content is 0.62 ppm? Lead is a toxic substance. The "normal" lead content in humanblood is about 0.40 part per million (that is, 0.40 g of lead permillion grams of blood). A value of 0.80 part per million (ppm) isconsidered to be dangerous. How many grams of lead are contained in6.0 x 103 g of blood (the amount in an average adult) ifthe lead content is 0.62 ppm?

Explanation / Answer

g Pb=(6.0*103 g blood)(0.62 g Pb / 1*106 gblood) g Pb=0.00372 g Pb

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