An environmental chemist is testing a sample of industrial wastewater for the presence of sulfate ions. They acidify the sample with dilute hydrochloric acid and then add barium chloride solution. A dense white precipitate forms immediately.
Write the ionic equation, including state symbols, for this reaction.
Practise Edexcel GCSE Chemistry Qualitative analysis: tests for ions with exam-style questions for Foundation and Higher tier. 127 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.
