Experimental work (3) Answers

IB Chemistry: Experimental work (3) Answers

Answers to Experimental work Question 3(b) The electrons will flow from the magnesium to the copper. (Magnesium is more reactive than copper so will lose electrons to form magnesium ions and flow through the external circuit to reduce the copper(II) ions to copper metal). [1]Mg(s) + Cu2+(aq) → Mg2+(aq) + Cu(s) [1](c) The solution will lose its blue colour and a reddish brown precipitate will be formed. [1]

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