1. Solubility Rules Table: Color Coding

2. Mainly Soluble in Water NO 3 - All nitrates are soluble CH 3 COO - or C 2 H 3 O 2 - All acetates are soluble except AgCH 3 COO ClO 3 - All chlorates are soluble Cl - All chlorides are soluble except AgCl, Hg 2 Cl, PbCl 2 * Br - All bromide are soluble except AgBr, PbBr 2 *, Hg 2 Cl 2, HgBr 2 * I - All iodides are soluble except AgI, Hg 2 I 2. HgI 2, PbI 2 SO 4 -2 All sulfates are soluble except BaSO 4, PbSO 4, Hg 2 SO 4, CaSO 4, Ag 2 SO 4 *, and SrSO 4 * Alkali cations & NH 4 + All alkalis are soluble H + All common inorganic acids and low molecular mass organic acids are soluble Dissolves

3. Mainly Insoluble in Water CO 3 -2 All carbonates are insoluble except those of IA and NH 4 + CrO 4 -2 All chromates are insoluble except those of IA and NH 4 +, CaCrO 4 * and SrCrO 4 * OH - All hydroxides are insoluble except those of IA and NH 4 +, Ba(OH) 2, Sr(OH) 2 *, and Ca(OH) 2 * PO 4 -3 All phosphates are insoluble except those of IA and NH 4 + SO 3 -2 All sulfites are insoluble except those of IA and NH 4 + S -2 All sulfides are insoluble except those of IA, IIA and NH 4 + Does NOT Dissolve