DP Chemistry (last assessment 2024)
Question 23M.1.SL.TZ2.20
Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.1.SL.TZ2.20 |
Level | SL | Paper | 1 | Time zone | TZ2 |
Command term | Question number | 20 | Adapted from | N/A |
20.
[Maximum mark: 1]
23M.1.SL.TZ2.20
What is the hydroxide ion concentration in a solution of pH = 4 at 298 K?
A. 4
B. 10
C. 10−4
D. 10−10
[1]
Markscheme
D