The heat of sublimation of potassium is 98 kJ/mol, the heat of dissociation of bromine gas is 192.5 kJ/mol. The ionization energy of K is 414 kJ/mol. The electron affinity of Br is −334.7 kJ/mol and the heat of formation of KBr is −405.8 kJ/mol. Calculate the lattice energy of KBr. (KMU MDCAT 2024)