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Exam questionKROK 1Pharmacy ยท 2008

During gravimetric determination of mass fraction of sulfate ions in the magnesium sulfate preparation precipitation is performed by means of barium chloride solution. Precipitated barium sulfate should be rinsed with:

Answer options

  1. Solution of hydrochloride acid
  2. Diluted solution of sulfate acid
  3. Solution of sodium sulfate
  4. Distilled water
  5. Solution of barium chloride
Correct answer

Diluted solution of sulfate acid

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