| Date | May 2011 | Marks available | 1 | Reference code | 11M.1.sl.TZ2.22 |
| Level | SL | Paper | 1 | Time zone | TZ2 |
| Command term | Determine | Question number | 22 | Adapted from | N/A |
Question
The pH of a solution changes from \({\text{pH}} = 2\) to \({\text{pH}} = 5\). What happens to the concentration of the hydrogen ions during this pH change?
A. It decreases by a factor of 1000
B. It increases by a factor of 1000
C. It decreases by a factor of 100
D. It increases by a factor of 100
Markscheme
A
Examiners report
[N/A]
