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    Molar Mass of Na2O (Sodium Oxide)

    Molar Mass Calculator
    Chemical formula

    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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    Molar Mass of Na2O (Sodium Oxide): Step by Step. M(Na2O) = 61.979 g/mol: 2 × 22.990 (Na) + 15.999 (O). Mass fractions: Na 74.19%, O 25.81%.
    https://calculat.io/en/other/molar-mass/na2o/generated.jpgCopy

    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
    Recalculate with different values ↑

    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