How much copper can be obtained from 100g of copper sulphate ?

formula of copper sulphate

Copper can be extracted from

How will you get pure copper sulphate ?

The amount of electricity which release 2.0g of gold from a gold salt is same as that which dissolves 0.967g of copper anode during the electrolysis of copper sulphate solution. What is the oxidation number of gold in the gold ion ? (At mass of Cu=63.5,Au=197)

How is copper extracted from low grade copper ores ?

Write the chemical formula of hydrated copper sulphate and anhydrous copper sulphate. Give an activity to illustrate how these two are interconvertible