Before starting a titration, a student washes a volumetric pipette with distilled water.
The student then rinses the pipette with a small amount of the potassium hydroxide solution before using it to transfer the sample to a conical flask.
Explain why the pipette is rinsed with the potassium hydroxide solution.
Practise Edexcel GCSE Chemistry Acids with exam-style questions for Foundation and Higher tier. 276 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.
