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12 cards from this deck
Soluble salt
Dissolve in water
Precipitate out (form solid crystals at bottom)
Hydrochloric acid (HClHClHCl)
Copper(II) oxide (CuOCuOCuO)
Copper(II) chloride (CuCl2CuCl_2CuCl2)
Increases the reaction rate
Excess CuOCuOCuO remains undissolved at bottom
Remove unreacted excess CuOCuOCuO
Solution cools slowly and crystals form
2HCl+CuO→CuCl2+H2O2HCl + CuO → CuCl_2 + H_2O2HCl+CuO→CuCl2+H2O
Ensures all acid is neutralised
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