Use the data below calculate the lattice energy of magnesium chloride. Enthalpy of vaporization 127.4 kJ/mol 1st ionization Energy 737.7 kJ 2nd ionization energy 1450.7 kJ Enthalpy of dissociation 242 kJ/mol Electron affinity -349 kJ/mol Enthalpy of formation -641.62 kJ/mol

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every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.