The World Health Organization Recommends That the Maximum Allowable Concentration

question 54

Multiple Choice

The World Health Organization recommends that the maximum allowable concentration of chromium(VI) in drinking water be limited to 0.05 mg/L. If the molar absorptivity of chromium(VI) at 345 nm is 1.5*10³/(M cm) , what is the absorbance of a solution that contains 0.050 mg/L in a 10-cm-long cell?

• A) 0.0014
• B) 0.75
• C) 0.014
• D) 0.075
• E) 14

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Definitions:

Modernization Theory

A social science theory that posits the transition from traditional to modern societies involves systematic development in areas like industry, technology, and governance.

Dependency Theory

A theoretical perspective that suggests economic development of countries is linked to their dependence on more developed nations, often describing how resources flow from a periphery of poor and underdeveloped states to a core of wealthy states.

Compare and Contrast

A method of analysis that identifies similarities and differences between two or more subjects, objects, or ideas.

Social Changes

Transformations in the structure and functioning of a society, often brought about by cultural, economic, or technological developments.