Solubility Guidelines for Compounds in Aqueous Solutions

Solubility Guidelines for Compounds in Aqueous Solutions -...

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Solubility Guidelines for Compounds in Aqueous Solutions It is very important that you know these guidelines and how to apply them in reactions. 1) Common inorganic acids and low-molecular-weight organic acids are water soluble. 2) All common compounds of the Group IA metal ions and the ammonium ion are water soluble. Li + , Na + , K + , Rb + , Cs + , and NH 4 + 3) Common nitrates, acetates, chlorates, and perchlorates are water soluble. NO 3 - , CH 3 COO - , ClO 3 - , and ClO 4 - 4) Common chlorides are water soluble. Exceptions – AgCl , Hg 2 Cl 2 , & PbCl 2 Common bromides and iodides behave similarly to chlorides. Common fluorides are water soluble. Exceptions – MgF 2 , CaF 2 , SrF 2 , BaF 2 , and PbF 2 5)
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Unformatted text preview: Common sulfates are water soluble. Exceptions PbSO 4 , BaSO 4 , & HgSO 4 Moderately soluble CaSO 4 , SrSO 4 , & Ag 2 SO 4 6) Common metal hydroxides are water insoluble . Exceptions LiOH, NaOH, KOH, RbOH & CsOH Note: solubility of Ca(OH) 2 0.023 M; Sr(OH) 2 0.15 M, Ba(OH) 2 0.12 M (soluble, but not highly; definitely not insoluble) 7) Common carbonates, phosphates, and arsenates are water insoluble . CO 3 2-, PO 4 3-, & AsO 4 3- Exceptions- IA metals and NH 4 + 8) Common sulfides are water insoluble . Exceptions IA metals and NH 4 + plus IIA metals...
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