Question

what is the percnetage of copper in copper sulphate

Answer 1

The percentage of copper in copper sulphate is 60.4 %.

Answer 2

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Anhydrous Copper sulfate is 39.81 percent copper and 60.19 percent sulfate by mass, and in its blue, hydrous form, it is 25.47% copper, 38.47% sulfate (12.82% sulfur) and 36.06% water by mass.