first step: write the balanced reaction equation.
Then you can see how many moles of stuff are needed.
What Mass In Grammes Of Hydrogen sulphide will Be Required To Precipitate 15g of Copper Sulphide from A Copper(II)tetraoxosulphate(VI)solution?
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Just a note that copper sulfate is an accepted name for CuSO4 by IUPAC
What Mass In Grammes Of Hydrogen sulphide will Be Required To Precipitate 15g of Copper Sulphide from A Copper(II)tetraoxosulphate(VI)solution?
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