how can we obtain pure copper sulphate from an impure sample
Answers
Hello Mate,
Evaporate water from the copper sulphate solution so as to get a saturated solution. Cover the solution with a filter paper and leave it undisturbed at room temperature to cool slowly for a day. You will obtain the crystals ofcopper sulphate in the china dish. The crystallisation method is used to purify solids....
Hope this helps you
Answer:
Crystallization is the method of choice for obtaining pure Copper sulphate from an impure sample.
In this process the sample is dissolved in minimum amount of water and impurities are filtered out. Then the water is evaporated and pure sample is obtained.
Crystallisation technique is better than simple evaporation technique as some solids decompose and some impurities may remain dissolved in the solution even after filtration. On evaporation, these contaminate the solid.