Group 1A and ammonium cations are soluble with extremely few exceptions. Nitrate and acetate anions are soluble with no exceptions. Chlorides, bromides, and iodides are generally soluble except with those that are paired with silver, mercury(II), and lead(II) cations. Sulfates are generally soluble except those that pair with strontium, barium, lead(II), silver, and calcium anions.
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Hydroxides and sulfides are generally insoluble except when they are paired with Group 1A , ammonium, calcium, strontium, and barium cations. Carbonates and phosphates are generally insoluble except those paired with Group 1A and ammonium cations.