Question: are polyatomic ions soluble in water?
Answer: Polyatomic Ions Make sure you know the following common polyatomic ions and their charges. Solubility Rules Make sure you know the following solubility rules. 1) Salts of ammonium and alkali metals (column 1A excluding hydrogen) are always soluble. ... 3) Chlorates, acetates, and nitrates (CANs) are soluble.