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Which of the following statements about lattice enthalpy is true?.
- A.A) Lattice enthalpy is always a positive value.
- B.B) Lattice enthalpy can be determined directly from experimental measurements.
- C.C) Lattice enthalpy is the energy change when one mole of an ionic compound is formed from its gaseous ions.
- D.D) Lattice enthalpy is the same as the enthalpy of solution.
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