Molar Mass of Na2CrO4 (Sodium Chromate)

Molar Mass Calculator

What is the molar mass of Na₂CrO₄?

Answer

M(Na₂CrO₄) =

161.972 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 ≈ 28.39%	≈ 28.39%
Crchromium	1	51.996	51.996 w ≈ 32.10%	≈ 32.10%
Ooxygen	4	15.999	63.996 w ≈ 39.51%	≈ 39.51%
Σ = 161.972 g/mol w = 100%				100%

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

Mass fractions of the elements

O 39.51%

Cr 32.10%Na 28.39%

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Molar masses of substances nearby

Formula	M, g/mol
Br₂ (bromine)	159.808
KC₆H₅CO₂ (potassium benzoate)	160.213
ZnSO₄ (zinc sulfate)	161.44
Na₂CrO₄ (sodium chromate)	161.972
Ca(HCO₃)₂ (calcium bicarbonate)	162.110
FeCl₃ (ferric chloride)	162.20
C₁₀H₁₄N₂ ((−)-nicotine)	162.236

FAQ

What is the molar mass of Na2CrO4?

M(Na₂CrO₄) = 161.972 g/mol

How to calculate the molar mass of Na₂CrO₄?

Add up the atomic weights of all the atoms in the formula: 2 × 22.990 + 51.996 + 4 × 15.999 = 161.972 g/mol.

How many grams are in 2 moles of Na₂CrO₄?

m = n × M = 2 mol × 161.972 g/mol = 323.944 g.

See Also