Question

how would you find out weather sample of sodium Chloride is pure or impure​

Answer 1

Answer:

Find the solubility of pure NaCl and dissolve a std amount in the calculated amount of water so as to create a supersaturated solution. Now add same amount of the impure sample in the same amount of water as before. If you can dissolve more of it or notice precipitate, you conclude that it is impure.

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