johorajibril43 johorajibril43

04-06-2021
Chemistry

contestada

explain observation made when anhydrous calcium chloride and anhydrous copper (ii) sulphate are separately exposed to the atmosphere for about two days

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Netta00 Netta00

09-06-2021

Answer:

Anhydrous calcium chloride dissolves and becomes liquid

Anhydrous copper (ii) sulphate will produce crystal particles

Explanation:

Anhydrous calcium chloride is deliquescent and hence when it is exposed to air, it absorbs water from air. After absorbing water, it dissolves and after some time a pool of clear liquid appears.

Anhydrous copper (ii) sulphate will form crystal structures and the following reaction will takes place

CuSO4 + 5 H20 --> CuSO4.5H2O

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