An environmental scientist analysed a sample of groundwater collected near a nature reserve. The results of the analysis are shown in Table 1.
Table 1
| Parameter | Value |
|---|---|
| Ion concentration | (mg/dm³) |
| Sodium ions | 142 |
| Potassium ions | 4.8 |
| Bicarbonate ions | 210 |
| Acidity / Alkalinity | |
| pH | 7 |
State the information from Table 1 that shows that the groundwater sample is neutral.
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.
