Barium sulfate,BaSO4 , is used in medicalimaging of the gastrointestinal tract because it is opaque to Xrays. A barium sulfate solution, sometimes called a cocktail, isingested by the patient, whose stomach and intestines can then bevisualized via X-ray imaging. If a patient ingests 220 ml of a saturated barium sulfate solution,how much toxic Ba+2 ion has the patientconsumed?
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