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    Molar Mass of Os (Osmium)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of Os?

    Answer

    M(Os) =
    190.23 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
    Ososmium1190.23190.23 w = 100.00%

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

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    Molar Mass of Os (Osmium): Step by Step. M(Os) = 190.23 g/mol: the standard atomic weight of osmium (IUPAC, CIAAW 2024).
    https://calculat.io/en/other/molar-mass/o_s/generated.jpgCopy

    Neighbouring elements of the periodic table

    FormulaM, g/mol
    Ta (tantalum)180.95
    W (tungsten)183.84
    Re (rhenium)186.21
    Os (osmium)190.23
    Ir (iridium)192.22
    Pt (platinum)195.08
    Au (gold)196.97
    Recalculate with different values ↑

    FAQ

    What is the molar mass of Os?

    M(Os) = 190.23 g/mol

    How is the molar mass of osmium different from its atomic weight?

    Only in units: the relative atomic mass Ar(Os) = 190.23 has no unit, and the molar mass M(Os) = 190.23 g/mol is the mass of one mole of atoms (6.022 × 10²³ of them).

    How many grams are in 2 moles of Os?

    m = n × M = 2 mol × 190.23 g/mol = 380.46 g.

    See Also