13.6 g of ammonium nitrate (ΔHsolution = 25.7 kJ/mol, molar mass = 80 g/mol) dissolves in 100 g of water. What is the molar solubility of this solution?
A) 0.125 mol/L
B) 0.25 mol/L
C) 0.5 mol/L
D) 1.0 mol/L