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Even though ionic compounds increase in entropy when dissolved in water, not all ionic compounds are soluble.
Which of the following explains this phenomenon?
The strength of the intermolecular forces that hold the compound together.
The strength of the ionic crystalline solid due to the tight arrangement of the atoms and the strong electrostatic forces.
The high concentration needed to make the substance dissolve in water, which is why low molarities are inadequate for dissolution of some substances.
The lack of potential energy in the ionic bonds of the solid compound.