a test to distinguish magnesium chloride and magnesium sulphate?
回答 (2)
2016-05-24 5:55 pm
If solid samples are given, dissolve each of them in distilled water to form an aqueous solution.
Add separately some barium nitrate solution to each unknown solution.
For magnesium chloride solution, there is no observable change.
For magnesium sulphate solution, a white precipitate of barium sulphate is formed.
Add separately some barium nitrate solution to each unknown solution.
For magnesium chloride solution, there is no observable change.
For magnesium sulphate solution, a white precipitate of barium sulphate is formed.
2016-05-25 2:32 am
Silver nitrate test
收錄日期: 2021-04-18 14:52:47
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