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Q.

Calculate the percentage of water of crystallization in CuS O 4 .5 H 2 O ( H ( =1, O =1, =16, S =16, = 32, Cu = 32, = 64).


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a

40%

b

50%

c

36%

d

46% 

answer is C.

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Detailed Solution

detailed_solution_thumbnail
Concept: Copper sulphate is hygroscopic by nature. When copper sulphate and water interact, a hydrated version of the salt is created. Pentahydrate copper sulphate is created when copper sulphate combines with five water molecules.
The molecular weight of water Question ImageThe Molecular weight of Question ImageQuestion Imagethe Percentage of water of crystallization-
Question ImageHence, the percentage of water of crystallization is 36%.
Hence, the correct answer is option 3.
 
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Calculate the percentage of water of crystallization in CuS O 4 .5 H 2 O ( H ( =1, O =1, =16, S =16, = 32, Cu = 32, = 64).