Waste water often contains dissolved phosphate ions, PO43−\text{PO}_4^{3-}PO43−, which can cause environmental issues if released into rivers. Iron(III) ions are added to react with the phosphate ions to form insoluble iron(III) phosphate. Complete the ionic equation for this reaction.
..................+PO43−→.................. \text{..................} + \text{PO}_4^{3-} \rightarrow \text{..................} ..................+PO43−→..................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.