Cobalt(II) chloride hexahydrate (CoCl2·6H2O) is a cobalt salt composed of cobalt, chlorine and six molecules of water. It is a bright blue crystalline solid that readily absorbs water from the air and forms a deep blue solution. Anhydrous cobalt chloride (CoCl2) is a cobalt salt composed of cobalt and chlorine with no molecules of water. […]
