Chemistry
Pie Chart of Table Salt (NaCl) by Mass
Last reviewed on 2026-05-22.
Chemistry — verifiable data, editable template
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Sodium chloride splits 39%/61% by mass between sodium and chlorine — the chlorine atom is heavier than the sodium atom.
The data
- Chlorine — 60.66 %
- Sodium — 39.34 %
Source
Standard atomic mass values (IUPAC).
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