Table 1 shows the results of a student's titrations to find the concentration of a potassium hydroxide solution.
Table 1
| Rough titration | Accurate titration 1 | Accurate titration 2 | Accurate titration 3 | |
|---|---|---|---|---|
| Final reading on burette Y in cm3\text{cm}^3cm3 | 28.95 | 27.85 | 29.10 | 28.35 |
| Initial reading on burette Y in cm3\text{cm}^3cm3 | 0.50 | 1.20 | 2.40 | 1.75 |
| Volume of potassium hydroxide solution added in cm3\text{cm}^3cm3 | 26.65 | 26.70 | 26.60 |
Calculate the volume of potassium hydroxide solution added in the rough titration.
Practise Edexcel GCSE Chemistry Quantitative analysis 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.