During the electrolysis of a pink cobalt(II) sulfate solution using cobalt electrodes, the anode decreases in mass, the cathode increases in mass, and the intensity of the pink colour of the solution remains constant.
Explain each of these three observations.
Practise Edexcel GCSE Chemistry Electrolytic processes with exam-style questions for Foundation and Higher tier. 83 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
