Molar Mass of NaClO3 (Sodium Chlorate)

Molar Mass Calculator

What is the molar mass of NaClO₃?

Answer

M(NaClO₃) ≈

106.44 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Cl: 35.45.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Nasodium	1	22.990	22.990 w ≈ 21.60%	≈ 21.60%
Clchlorine	1	35.45	35.45 w ≈ 33.31%	≈ 33.31%
Ooxygen	3	15.999	47.997 w ≈ 45.09%	≈ 45.09%
Σ = 106.437 ≈ 106.44 g/mol w = 100%				100%

Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)

Mass fractions of the elements

O 45.09%

Cl 33.31%Na 21.60%

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Molar masses of substances nearby

Formula	M, g/mol
C₇H₆O (benzaldehyde)	106.124
C₈H₁₀ (ethylbenzene)	106.168
Pd (palladium)	106.42
NaClO₃ (sodium chlorate)	106.44
Fe(OH)₃ (iron(III) hydroxide)	106.866
Ag (silver)	107.87
N₂O₅ (dinitrogen pentoxide)	108.009

FAQ

What is the molar mass of NaClO3?

M(NaClO₃) ≈ 106.44 g/mol

How to calculate the molar mass of NaClO₃?

Add up the atomic weights of all the atoms in the formula: 22.990 + 35.45 + 3 × 15.999 = 106.437 ≈ 106.44 g/mol.

How many grams are in 2 moles of NaClO₃?

m = n × M = 2 mol × 106.44 g/mol = 212.88 g.

See Also