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Sodium hydroxide · NaOH

Sodium hydroxide: formula NaOH, atom count, element breakdown and calculated molar mass.

CompoundNaOH
NaOH
Molar mass39.997 g/mol
Atoms3
Elements3
H
Hydrogen
1 × 1.008 · 2.52%
1.0080
O
Oxygen
1 × 15.999 · 40.00%
15.9990
Na
Sodium
1 × 22.98976928 · 57.48%
22.9898

The formula NaOH contains 3 atoms in total. Numbers after element symbols show how many atoms of each element are present.

Molar mass is the sum of the contributions shown above. The percentages show how much each element contributes to the total mass.