Lead Levels in Drinking Water Should Be No Higher Than

question 94

Multiple Choice

Lead levels in drinking water should be no higher than 15 ppb.What is this in mol/L? Assume the density of drinking water is 1.0 g/mL.

• A)7.2 *10^-8 M
• B)7.2 *10^-5 M
• C)3.1 * 10^-7 M
• D)3.1 * 10^-8 M
• E)2.0 *10^-8 M

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Definitions:

Residential School System

A network of boarding schools for Indigenous peoples, primarily in Canada and the United States, intended to assimilate Indigenous children into Western culture, often at the expense of eradicating their native culture, languages, and identities.

Aboriginals

Indigenous peoples native to a land or region, especially in reference to the First Nations, Inuit, and Métis peoples of Canada.

Assimilate

The process by which individuals or groups adopt the culture, behaviors, and norms of another group, often losing their original identity or culture.

Primordial Event

An original or first occurrence that has foundational significance in history or a particular field of study.