A sample of a compound contains only sodium, sulfur and oxygen. The table shows the mass of each element in the sample and its relative atomic mass.
| Element | Mass in the sample in g | Relative atomic mass |
|---|---|---|
| sodium | 0.92 | 23 |
| sulfur | 0.64 | 32 |
| oxygen | 1.28 | 16 |
Use the data in the table to work out the empirical formula of this compound. You must show your working.
119 exam-style questions on Edexcel GCSE Chemistry 2.3 Ionic bonding, covering 2.3.1 Ions and the formation of ionic bonds, 2.3.2 Naming and deducing formulae of ionic compounds, and 2.3.3 Giant ionic lattices. Each one has a worked solution and a mark scheme showing where the marks go.