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

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