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rule 1
1. All nitrates are soluble.
rule 2
2. All compounds (salts) of Group 1 (Na+, K+, Li+) and ammonium (NH4+) are soluble.
rule 3
3. All chlorides are soluble EXCEPT AgCl, PbCl2 and Hg2Cl2.
rule 4
4. All sulfates are soluble EXCEPT BaSO4, SrSO4, CaSO4, PbSO4, Ag2SO4, HgSO4.
rule 5
5. INSOLUBLES (solid, will not dissolve) are the hydroxides (OH)-1, carbonates (CO3)-2, and sulfides S-2 except when they are combined with Group I and