11. An aqueous solution of aluminium chloride can be prepared by the redox reaction between aluminium metal and dilute hydrochioric acid. A student reacts 0.0800 mol of aluminium completely with dilute hydrochloric acid to form an aqueous solution of aluminium chloride. The equafion for this reaction is shown below. 2A(s) + 6HC{(aq) > 2AICL(aq) + 3H,(g) (a) in terms of electron transfer, explain whether aluminium is being oxidised or reduced. (b) Calculate the volume of hydrogen gas formed, in dm3, at room temperature and pressure. volume of hydrogen gas formed D

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