Molar Mass of NaClO4 (Sodium Perchlorate)

Molar Mass Calculator

What is the molar mass of NaClO₄?

Answer

M(NaClO₄) ≈

122.44 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 ≈ 18.78%	≈ 18.78%
Clchlorine	1	35.45	35.45 w ≈ 28.95%	≈ 28.95%
Ooxygen	4	15.999	63.996 w ≈ 52.27%	≈ 52.27%
Σ = 122.436 ≈ 122.44 g/mol w = 100%				100%

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

Mass fractions of the elements

O 52.27%

Cl 28.95%Na 18.78%

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Molar masses of substances nearby

Formula	M, g/mol
Sb (antimony)	121.76
Na₂SiO₃ (sodium metasilicate)	122.062
C₆H₅COOH (benzoic acid)	122.123
NaClO₄ (sodium perchlorate)	122.44
KClO₃	122.55
C₆H₅NO₂ (nitrobenzene)	123.111
CuCO₃ (copper(II) carbonate)	123.554

FAQ

What is the molar mass of NaClO4?

M(NaClO₄) ≈ 122.44 g/mol

How to calculate the molar mass of NaClO₄?

Add up the atomic weights of all the atoms in the formula: 22.990 + 35.45 + 4 × 15.999 = 122.436 ≈ 122.44 g/mol.

How many grams are in 2 moles of NaClO₄?

m = n × M = 2 mol × 122.44 g/mol = 244.88 g.

See Also