Question:

In thermogravimetric analysis, 12.45 mg of CuSO4.5H2O was subjected to heating under N2 atmosphere. At a particular temperature, there was a weight loss of 3.6 mg. The number of water molecule(s) lost per formula unit is _____.
(Given molar mass (in g mol-1) of H = 1.0, O = 16.0, S = 32.0, and Cu = 63.5)
(rounded off to the nearest integer)

Updated On: Nov 6, 2024
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Correct Answer: 4

Solution and Explanation

The correct answer is 4.
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