describe how crystal of copper sulphate are prepared
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Crystallization is the process by which we can obtain crystals of copper sulphate. In this process, a few drops of dilute sulphuric acid is added to water. The water is then boiled & as it starts boiling, copper sulphate powder is added with stirring. After some time the crystals of copper sulphate separate out
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Explanation:
- place some sulfuric acid in a beaker and warm it in a water bath
- add a spatula of copper(II) oxide powder to the acid and stir with a glass rod
- continue adding copper(II) oxide powder until it is in excess
- filter the mixture to remove the excess copper(II) oxide
- pour the filtrate (the copper(II) sulfate solution) into an evaporating basin
- heat the copper(II) sulfate solution to evaporate half the water
- pour the solution into an evaporating basin and leave to allow all the water to evaporate
Results
Record the appearance of the copper(II) sulfate crystals, including their colour and shape.
Analysis
Hydrated copper(II) sulfate crystals should be blue and regularly shaped. Describe how your crystals compare to this description. Suggest an explanation for any differences.
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