Exam 3 - Solubility Rules

HCOO- and CH3COO- usually soluble except with…

Ag + and Al 3+

Cl-, Br-, and I- usually soluble except with…

Ag +, Pb 2+, and Hg2 2+

SO4 2- usually soluble except with…

Ba 2+, Sr 2+, Ca 2+, Pb 2+, Ag +, Hg 2+, Hg2 2+

CO3 2- and PO4 2- usually insoluble except with…

NH4 + and Group 1 cations

OH- usually insoluble except with…

Ba 2+, Sr 2+, and Group 1 cations

S 2- usually insoluble except with…

NH4+ and Group 1 & 2 cations

Ammonium Salts are…

Soluble: NH4 +, NH3 +, and NH2 +

Nitrate and Nitrite

Soluble: -ate: NO3- -ite: No2-

Group 1 salts are…

Soluble: anything in Group 1

Perchlorate and Chlorates

Soluble. Perchlorate: ClO4 - Chlorate: ClO3 -

Bisulfates and Bicarbonates are…

Soluble. Bisulfates: HSO2- Bicarbonates: HCO3-