| Date | May 2014 | Marks available | 1 | Reference code | 14M.1.hl.TZ2.29 |
| Level | HL | Paper | 1 | Time zone | TZ2 |
| Command term | Question number | 29 | Adapted from | N/A |
Question
What is the expression for the ionic product constant of water, \({K_{\text{w}}}\)?
A. \({K_{\text{w}}} = {K_{\text{a}}} \times {K_{\text{b}}}\)
B. \({K_{\text{w}}} = {K_{\text{a}}} + {K_{\text{b}}}\)
C. \({K_{\text{w}}} = \frac{{{K_{\text{a}}}}}{{{K_{\text{b}}}}}\)
D. \({K_{\text{w}}} = {K_{\text{a}}} - {K_{\text{b}}}\)
Markscheme
A
Examiners report
[N/A]
Syllabus sections
Additional higher level (AHL) » Topic 18: Acids and bases » 18.2 Calculations involving acids and bases
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