SolubilityRules - , and Hg 2 2+ , which are insoluble....

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1 The following cations are considered in these general rules: group 1A (1), group 2A (2), NH 4 + , Ag + , Al 3+ , Cd 2+ , Co 2+ , Cr 3+ , Cu 2+ , Fe 2+ , Fe 3+ , Hg 2 2+ , Hg 2+ , Mn 2+ , Ni 2+ , Pb 2+ , Sn 2+ , Zn 2+ . General Rules for Water Solubility of Simple Ionic Compounds 1 Soluble Compounds 1. All nitrates and acetates. 2. All compounds with alkali-metal (Li + , Na + , K + , etc.) and ammonium (NH 4 + ) cations. 3. The halides Cl , Br , and I , except those of Pb 2+ , Ag + , Hg 2 2+ , which are insoluble. 4. Sulfates, except those of Sr 2+ , Ba 2+ , Pb 2+
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Unformatted text preview: , and Hg 2 2+ , which are insoluble. (CaSO 4 is slightly soluble.) Insoluble Compounds 1. Carbonates and phosphates, except those with alkali-metal and ammonium cations, which are soluble. 2. Hydroxides, except those with alkali-metal cations, which are soluble, and Ca(OH) 2 , Sr(OH) 2 , and Ba(OH) 2 , which are sparingly soluble. 3. Sulfides, except those with alkali-metal, calcium, and ammonium cations, which are soluble....
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