The Heat of Solution of LiCl Is -37

Multiple Choice

The heat of solution of LiCl is -37.1 kJ/mol, and the lattice energy of LiCl(s) is 828 kJ/mol. Calculate the total heat of hydration of 1.00 mol of gas phase Li⁺ ions and Cl^- ions.

A) -865 kJ
B) -791 kJ
C) 791 kJ
D) 865 kJ
E) None of these.