Ammonium Nitrate (NH₄NO₃) Dissolves Readily in Water Even Though the Dissolution

question 96

Multiple Choice

Ammonium nitrate (NH₄NO₃) dissolves readily in water even though the dissolution is endothermic by 26.4 kJ/mol. The solution process is spontaneous because _.

• A) of the increase in disorder upon dissolution of this strong electrolyte
• B) the vapor pressure of the water decreases upon addition of the solute
• C) of the increase in enthalpy upon dissolution of this strong electrolyte
• D) of the decrease in enthalpy upon addition of the solute
• E) osmotic properties predict this behavior

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