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   Soluble vs. Insoluble
  • SOLUBLE: Able to be dissolved. If an ion is soluble, a lot of it will dissolve in the solution.
Š Soluble ions form solutions that are:
ƒ Most concentrated ƒ Most saturated ƒ Least dilute
Š ELECTROLYTE: An ion that’s soluble and conducts electricity (when there’s
movement and a charge).
• INSOLUBLE: Unable to be dissolved. If an ion is insoluble, none or little of it
will be dissolved in the solution.
Š Insoluble ions form solutions that are:
ƒ Least concentrated ƒ Least saturated ƒ Most dilute • PRECIPITATE: An ion that doesn’t dissolve, but crystallizes
281 © UNIT 7: SOLUTIONS / SOLUBILITY
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