During an investigation into the neutralisation reaction between dilute nitric acid and potassium hydroxide solution, a student wants to monitor the exact pH of the mixture continuously throughout the progress of the reaction.
State the piece of equipment that should be used to measure the pH of the mixture to obtain a continuous, digital measurement.
Practise Edexcel GCSE Chemistry Acids with exam-style questions for Foundation and Higher tier. 100 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.