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OlgaM077 [116]
3 years ago
12

A doctor orders a blood sample from a child to test for traces of lead in the blood. Which of the following concentration

Chemistry
2 answers:
Volgvan3 years ago
8 0

Answer:percentage by mass

Explanation:

AURORKA [14]3 years ago
7 0

Answer:

D. parts per million

Explanation:

To find such small trace amounts in such a large volume as blood, you would need a smaller unit to identify the amount. ppm is the smallest unit option among the four.

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Dear user,

Answer to your query is provided below

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