| Date | May 2010 | Marks available | 1 | Reference code | 10M.1.sl.TZ2.5 |
| Level | SL | Paper | 1 | Time zone | TZ2 |
| Command term | Question number | 5 | Adapted from | N/A |
Question
A sample of element X contains 69% of 63X and 31% of 65X. What is the relative atomic mass of X in this sample?
A. 63.0
B. 63.6
C. 65.0
D. 69.0
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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