How much of copper sulphate crystals will be separated if 25g saturat
solution of copper sulphate at 60°C is cooled down to 30°C if solubility
copper sulphate at 60°C is 50 and at 30°C is 30 respectively.
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Answer:
1. Fill the beaker with distilled water.
2. Heat the beaker of water at 100
0
C, the solubility of copper(II) sulfate is 736 grams per kg of water.
3. Stop heating the water near 100
0
C.
4. Add copper sulfate and stir until the heated solution is saturated and at saturation no more copper sulfate will dissolve.
5. Cooled solution is supersaturated solution.
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