Exam questionKROK 1Pharmacy ยท 2007
To determine mass concentration of calcium in a medical preparation the gravimetric precipitation method was applied. Solution of ammonium oxalate was used as a precipitator. The gravimetric form in this case is:
Answer options
- Calcium oxide
- Calcium hydroxide
- Anhydrous calcium oxalate
- Calcium carbonate
- Monohydrous calcium oxalate
Correct answer
Calcium oxide
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