1.

What are the number of molecules of water in CuSO₄.5H₂O, if the weight of oxygen in it is 36 grams?

A. 3.25 X 10²³
B. 5.25 X 10²³
C. 7.52 X 10²³
D. 9.52 X 10²³
Answer» D. 9.52 X 10²³


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