Is FeCl3 Soluble or Insoluble in Water

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Is FeCl3 (Iron (III) chloride) soluble or insoluble in water? The answer is that it is soluble in water. It is an ionic compound which readily dissociates into its ions in water. • These are some of the basic rules for solubility ( • Solubility Rules: Explanation Prac... ): • Salts of: • Group I elements (Li+, Na+, K+, Cs+, Rb+) are • NH4+ (Ammonium ion) are soluble. • the nitrate ion (NO3-) are generally soluble. • of Cl-, Br-, and I- are soluble. Exceptions Ag+, Pb2+, and (Hg2)2+ • most sulfates are soluble. Exceptions: Ba2+, Ca2+, Pb2+, Ag+, Sr2+ • most hydroxide salts are only slightly soluble. Exceptions: NH4+, Li+, Na+, K+ • most carbonates (CO32-) are insoluble. Exceptions: Group 1 and NH4+ • Note: Rules at the top supersede any lower rules. • --- • We can also look a Solubility Table ( • How to Use the Solubility Table / Chart ). On the solubility table we can see that FeCl3 (Iron (III) chloride ) is soluble in water. • Because it is soluble in water, we would expect that it would dissociate into its ions. • Solubility Resources: • Solubility Rules and the Solubility Table: • Solubility Rules: Explanation Prac... • Net Ionic Equations: • How to Write and Balance Net Ionic Eq... • Finding the Charge on Ions: • Figuring out the Charge on Ions • We could also just get some FeCl3 and see if it dissolves in water, that would also tell us if it is soluble or insoluble. • While we could look at the solubility constant, called the Ksp, for FeCl3 it usually isn’t used as FeCl3 is a highly soluble compound. KsP is more appropriate for slightly soluble and insoluble compounds.

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