Children Under the Age of Six with More Than 0 $\times$

question 43

Multiple Choice

Children under the age of six with more than 0.10 ppm of lead in their blood can suffer a reduction in I.Q.or have behavior problems.What is the molality of a solution which contains 0.10 ppm of lead?

• A)4.8 \(\times\) 10^-10 m
• B)4.8 \(\times\) 10^-7 m
• C)4.8 \(\times\) 10^-4 m
• D)4.8 \(\times\) 10^-1 m
• E)None of these choices is correct.

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