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Exam questionKROK 1Pharmacy · 2010

Calcium hydrogen sulphide hexahydrate is often used in the cosmetological practice. Specify the the formula of his salt:

Answer options

  1. CaSO3 · 6H2O
  2. CaSO4 · 6H2O
  3. Ca(HSO3)2 · 6H2O
  4. Ca(HS)2 · 6H2O
  5. CaS · 6H2O
Correct answer

Ca(HS)2 · 6H2O

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