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Step 5: Copper(II) Sulfate Pentahydrate (Analysis)

Which answer below correctly identifies the type of change and the explanation for the heating of copper(II) sulfate pentahydrate?



Answer :

GinnyAnswer

Final answer:

Heating copper(II) sulfate pentahydrate causes water loss, color change, and formation of anhydrous copper sulfate.


Explanation:

Dehydration Process of Copper(II) Sulfate Pentahydrate:

  1. Heating copper(II) sulfate pentahydrate causes the loss of water molecules present in the compound, leading to a color change and the formation of white powder (anhydrous copper sulfate).
  2. The color change from blue to white indicates the removal of water of crystallization, while the presence of droplets of water on the test tube sides confirms the release of water molecules.
  3. Observing the dehydration kinetics helps monitor the transition of copper sulfate from its pentahydrate form to an anhydrous state, as shown by differences in thermal analysis curves.

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