Molar Mass of NaCl (Sodium Chloride)

Molar Mass Calculator

What is the molar mass of NaCl?

Answer

M(NaCl) =

58.44 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024).

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 ≈ 39.34%	≈ 39.34%
Clchlorine	1	35.45	35.45 w ≈ 60.66%	≈ 60.66%
Σ = 58.44 g/mol w = 100%				100%

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

Mass fractions of the elements

Cl 60.66%Na 39.34%

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Molar masses of substances nearby

Formula	M, g/mol
KF (potassium fluoride)	58.096
C₄H₁₀ (butane)	58.124
Mg(OH)₂ (magnesium hydroxide)	58.319
NaCl (sodium chloride)	58.44
Ni (nickel)	58.693
Co (cobalt)	58.933
C₃H₉N (isopropylamine)	59.112

FAQ

What is the molar mass of NaCl?

M(NaCl) = 58.44 g/mol

How to calculate the molar mass of NaCl?

Add up the atomic weights of all the atoms in the formula: 22.990 + 35.45 = 58.44 g/mol.

How many grams are in 2 moles of NaCl?

m = n × M = 2 mol × 58.44 g/mol = 116.88 g.

See Also