• Feb 19, 2026 Baf2 Solubility 's principle. Conversely, in highly alkaline solutions, the formation of hydroxide complexes might slightly decrease solubility. Common Ion Effect: The presence of a common ion in the solution dramatically affects BaF2 solubility. Adding a soluble fluoride salt (like NaF) to a BaF2 solut BY Trenton Wyman DDS