The Boiling Point of an Aqueous 1

question 91

Multiple Choice

The boiling point of an aqueous 1.83 mol kg^-1 (NH₄) ₂SO₄ (molar mass = 132.15 g mol^-1) solution is 102.5 °C. Determine the value of the van't Hoff factor for this solute if the K_b for water is 0.512 °C m^-1.

• A) 3.0
• B) 3.6
• C) 1.8
• D) 2.7
• E) 2.3

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