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Consider an ionic compound, MX,, composed of generic metal M and generic, gaseous halogen X. Learning . The enthalpy of formation of MX, is AH. = -847 kJ/mol. . The enthalpy of sublimation of Mis AHsub = 127 kJ/mol. . The first and second ionization energies of M are IE, = 689 kJ/mol and IE2 = 1449 kJ/mol. Macn . The electron affinity of X is A HEA = -303 kJ/mol. (Refer to the hint.) . The bond energy of X, is BE = 221 kJ/mol. Determine the lattice energy of MX,. A H lattice -3333 kJ/m