The table below shows the formulas of the ions present in iron(III) sulfate:
| Ion | Formula |
|---|---|
| iron(III) | Fe3+\text{Fe}^{3+}Fe3+ |
| sulfate | SO42−\text{SO}_4^{2-}SO42− |
Write the chemical formula of iron(III) sulfate using this information.
Practise Edexcel GCSE Chemistry Ionic bonding with exam-style questions for Foundation and Higher tier. 42 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.