Molar Mass of Na2C2O4

Molar Mass Calculator

What is the molar mass of Na₂C₂O₄?

Answer

M(Na₂C₂O₄) =

133.998 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	2	22.990	45.980 w ≈ 34.31%	≈ 34.31%
Ccarbon	2	12.011	24.022 w ≈ 17.93%	≈ 17.93%
Ooxygen	4	15.999	63.996 w ≈ 47.76%	≈ 47.76%
Σ = 133.998 g/mol w = 100%				100%

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

Mass fractions of the elements

O 47.76%

Na 34.31%C 17.93%

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Molar masses of substances nearby

Formula	M, g/mol
Cs (caesium)	132.91
AlCl₃ (aluminum chloride)	133.33
LiI (lithium iodide)	133.84
Na₂C₂O₄	133.998
C₄H₆O₅ (DL-malic acid)	134.087
CuCl₂ (cupric chloride)	134.45
SnO (tin(II) oxide)	134.71

FAQ

What is the molar mass of Na2C2O4?

M(Na₂C₂O₄) = 133.998 g/mol

How to calculate the molar mass of Na₂C₂O₄?

Add up the atomic weights of all the atoms in the formula: 2 × 22.990 + 2 × 12.011 + 4 × 15.999 = 133.998 g/mol.

How many grams are in 2 moles of Na₂C₂O₄?

m = n × M = 2 mol × 133.998 g/mol = 267.996 g.

See Also