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    Molar Mass of HNO3 (Nitric Acid)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of HNO3?

    Answer

    M(HNO3) =
    63.012 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
    Hhydrogen11.00801.0080 w ≈ 1.60%
    Nnitrogen114.00714.007 w ≈ 22.23%
    Ooxygen315.99947.997 w ≈ 76.17%
    Σ = 63.012 g/mol w = 100%

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

    Mass fractions of the elements

    N 22.23%H 1.60%

    Related Calculations

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    Molar Mass of HNO3 (Nitric Acid): Step by Step. M(HNO3) = 63.012 g/mol: 1.0080 (H) + 14.007 (N) + 3 × 15.999 (O). Mass fractions: O 76.17%, N 22.23%, H 1.60%.
    https://calculat.io/en/other/molar-mass/hno3/generated.jpgCopy

    Molar masses of substances nearby

    FormulaM, g/mol
    C₂H₆O₂ (ethylene glycol)62.068
    MgF₂ (magnesium fluoride)62.301
    C₂H₃Cl (vinyl chloride)62.50
    HNO₃ (nitric acid)63.012
    Cu (copper)63.546
    SO₂ (sulfur dioxide)64.06
    CaC₂ (calcium carbide)64.100
    Recalculate with different values ↑

    FAQ

    What is the molar mass of HNO3?

    M(HNO₃) = 63.012 g/mol

    How to calculate the molar mass of HNO₃?

    Add up the atomic weights of all the atoms in the formula: 1.0080 + 14.007 + 3 × 15.999 = 63.012 g/mol.

    How many grams are in 2 moles of HNO₃?

    m = n × M = 2 mol × 63.012 g/mol = 126.024 g.

    See Also