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Describe how you would obtain pure crystals of Sodium chloride from a muxture of solid sodium chloride and solid zinc carbonate

Step 2

Step 3

1. Add HCl to react with the carbonate. The products are zinc chloride, CO2, and water. The CO2 leaves as a gas and the water is ok. But we still have the zinc, in solution.

2. Add NaOH to the mixture to precipitate the Zn as Zn(OH)2, filter, leaving NaCl and water. Don't add an excess of NaOH.

3. Evaporate the water to leave NaCl crystals.
I will leave ALL of the equations to you to write and fill in the gaps.
Post what you can do if you need further assistance.

  • Chemistry -

    how to obtain sodium chloride from the mixture of zinc chloride

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