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:

Successful Stepfamilies

Blended families that navigate their complex relationships effectively, fostering a healthy and positive environment.

Sadness and Depression

Emotional states where sadness is a temporary feeling of unhappiness, while depression is a more serious, prolonged mental health disorder affecting mood and well-being.

Stepchildren

Children of a person's spouse from a previous relationship; not biologically related but part of the family through marriage.

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Women who are married to one's parent after a divorce or death of the previous spouse, and who may have stepchildren from the marriage.