Solid KF Has a Lattice Energy of 804 KJ/mol and a Heat

Multiple Choice

Solid KF has a lattice energy of 804 kJ/mol and a heat of solution (in water) of -15 kJ/mol.RbF has a lattice energy of 768 kJ/mol and a heat of solution (in water) of -24 kJ/mol.Which salt forms stronger attractions with water?

A) KF,since it has a larger lattice energy.
B) RbF,since it has a smaller lattice energy.
C) KF,since it has a more negative heat of hydration.
D) RbF,since it has a more negative heat of hydration
E) They form equally strong attractions with water,since they both have negative heats of mixing.