A Newspaper Article Suggested Using a Fertilizer Such as Ammonium

question 127

Multiple Choice

A newspaper article suggested using a fertilizer such as ammonium sulfate or ammonium nitrate to lower the melting point of ice on sidewalks because many of the deicing salts can damage lawns and sidewalks. Which of the following compounds would give the largest freezing point depression when 100 g of the compound are dissolved in 1 kg of solvent?

• A)NH₄NO₃ (80.1 g/mol)
• B)(NH₄)₂SO₄ (132.1 g/mol)
• C)MgSO₄ (120.4 g/mol)
• D)CaCl₂ (111.0 g/mol)
• E)MgCl₂ (95.2 g/mol)

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Definitions:

Vertical

Refers to the integration of multiple stages of production and distribution within the same company.

Demand Curve

A graph showing the relationship between the price of a good and the quantity of that good that buyers are willing to purchase.

Marginal Value

Refers to the additional benefit derived from consuming or producing one more unit of a good or service.

Slopes Downward

Describes a line on a graph that represents a decrease in one variable as another variable increases, typically associated with demand curves.