| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.sl.TZ2.2 |
| Level | SL | Paper | 1 | Time zone | TZ2 |
| Command term | Solve | Question number | 2 | Adapted from | N/A |
Question
What is the number of atoms of oxygen in 2.0 mol of hydrated sodium carbonate, Na2CO3•10H2O? Avogadro’s constant, L or NA: 6.02 × 1023 mol–1
A. 6
B. 26
C. 3.6 × 1024
D. 1.6 × 1025
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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