Copper sulphate solution. Solution of copper (II) sulphate (CuSO4, blue) in a test tube of water. Copper (II) sulphate is very soluble in water. The b

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Copper sulphate solution. Solution of copper (II) sulphate (CuSO4, blue) in a test tube of water. Copper (II) sulphate is very soluble in water. The blue colour is due to the formation of a hydrated complex of the copper ion with the water molecules. For copper (II) sulphate being added to the water, see image A350/220.

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Photo credit: © MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: aqueous, blue, chemical, chemistry, copper, hydrated, lab, laboratory, metal, salt, solution, solvation, solvent, sulphate, water