A student analysed a sample of tap water. The results are shown in Table 1.
Table 1
| Analysis of tap water | |
|---|---|
| Ion concentration | (mg/dm³) |
| Magnesium ions | 15 |
| Chloride ions | 32 |
| Sulfate ions | 48 |
| pH value | |
| pH | 7 |
State the information from Table 1 that shows that the tap water 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.