You are going to investigate the reaction between aqueous aluminium chloride and two aqueous solutions of sodium hydroxide, solution $$\(\mathbf{F}\)$$ and solution $$\(\mathbf{G}\)$$. Solution $$\(\mathbf{F}\)$$ and solution $$\(\mathbf{G}\)$$ have different concentrations. Read all of the instructions carefully before starting the experiments. Instructions You are going to do three experiments. Explain why the measuring cylinder is rinsed between Experiment 1 and Experiment 2. ................................................................................................................................... (ii) Explain why the measuring cylinder does not need rinsing between Experiment 2 and Experiment 3 . ...................................................................................................................................

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