Molar Mass of Na2O (Sodium Oxide)

Molar Mass Calculator
Chemical formula Write symbols with a capital letter: CoCl2 is cobalt chloride, COCl2 is phosgene. A hydrate takes a dot: CuSO4·5H2O or CuSO4.5H2O

What is the molar mass of Na2O?

Answer

M(Na2O) =
61.979 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
Nasodium222.99045.980 w ≈ 74.19%
Ooxygen115.99915.999 w ≈ 25.81%
Σ = 61.979 g/mol w = 100%

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

Mass fractions of the elements

O 25.81%

Related Calculations

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Recalculate with different values ↑

Molar masses of substances nearby

FormulaM, g/mol
C₂H₈N₂ (ethylenediamine)60.100
CH₃NO₂ (nitromethane)61.040
H₃BO₃ (orthoboric acid)61.83
Na₂O (sodium oxide)61.979
H₂CO₃ (carbonic acid)62.024
C₂H₆O₂ (ethylene glycol)62.068
MgF₂ (magnesium fluoride)62.301

FAQ

What is the molar mass of Na2O?

M(Na₂O) = 61.979 g/mol

How to calculate the molar mass of Na₂O?

Add up the atomic weights of all the atoms in the formula: 2 × 22.990 + 15.999 = 61.979 g/mol.

How many grams are in 2 moles of Na₂O?

m = n × M = 2 mol × 61.979 g/mol = 123.958 g.

See Also