Diagnosis of Intestinal Disorders

Barium sulfate is used to improve x-ray photos in the diagnosis of intestinal disorders. The patient drinks an aqueous suspension of barium sulfate. Since Ba 2+ is toxic, the solubility is reduced by adding Na2SO4.
- What is the solubility of BaSO4 in pure water?
- 0.10 M Na2SO4

Barium sulfate is used to improve x-ray photos in the diagnosis of intestinal disorders. The patient drinks an aqueous suspension of barium sulfate. Since Ba 2+ is toxic, the solubility is reduced by adding Na2SO4.