You are going to investigate the reaction between aqueous sodium carbonate and two different solutions of dilute hydrochloric acid, labelled $$\(\mathbf{A}\)$$ and $$\(\mathbf{B}\)$$. Read all of the instructions carefully before starting the experiments. Instructions You are going to do three experiments. State which solution of dilute hydrochloric acid, $$\(\mathbf{A}\)$$ or $$\(\mathbf{B}\)$$, is the more concentrated. Explain your answer. more concentrated solution of dilute hydrochloric acid ................................................... explanation ..................................................................................................................... ......................................................................................................................................... . (ii) Deduce how many times more concentrated this solution of dilute hydrochloric acid is than the other solution of dilute hydrochloric acid. ......................................................................................................................................... . ...................................................................................................................................

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