• Ionic compounds have widely differing solubilities.
  • Sodium chloride has a solubility of about 360 g per liter of water at 25°C.
  • Salts of alkali metals tend to be quite soluble.
  • Most ionic compounds that are considered to be insoluble will still dissolve to a small extent in water.
  • These “mostly insoluble” compounds are considered strong electrolytes because whatever portion of the compound that dissolved also dissociates.
  • Solubility product constant is equal to the mathematical product of the ions each raised to the power of the coefficient of the ion.
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