Solid aluminium oxide reacts with dilute hydrochloric acid to produce aqueous aluminium chloride and water.
Complete the balanced equation for the reaction by adding a number in front of H2O(l)\text{H}_2\text{O}(\text{l})H2O(l).
Al2O3(s)+6HCl(aq)→2AlCl3(aq)+………H2O(l) \text{Al}_2\text{O}_3(\text{s}) + 6\text{HCl}(\text{aq}) \rightarrow 2\text{AlCl}_3(\text{aq}) + \dots\dots\dots\text{H}_2\text{O}(\text{l}) Al2O3(s)+6HCl(aq)→2AlCl3(aq)+………H2O(l)230 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.