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    Molar Mass of CeO2 (Cerium(IV) Oxide)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of CeO2?

    Answer

    M(CeO2) ≈
    172.12 g/mol

    Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Ce: 140.12.

    Contribution of each element
    Element Atoms, n Atomic weight, A n × A, g/mol Mass fraction, w
    Cecerium1140.12140.12 w ≈ 81.41%
    Ooxygen215.99931.998 w ≈ 18.59%
    Σ = 172.118 ≈ 172.12 g/mol w = 100%

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

    Mass fractions of the elements

    O 18.59%

    Related Calculations

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    Molar Mass of CeO2 (Cerium(IV) Oxide): Step by Step. M(CeO2) ≈ 172.12 g/mol: 140.12 (Ce) + 2 × 15.999 (O). Mass fractions: Ce 81.41%, O 18.59%.
    https://calculat.io/en/other/molar-mass/ceo2/generated.jpgCopy

    Molar masses of substances nearby

    FormulaM, g/mol
    BaS (barium sulfide)169.39
    AgNO₃ (silver nitrate)169.87
    Ba(OH)₂ (barium hydroxide)171.34
    CeO₂ (cerium(IV) oxide)172.12
    CaSO₄·2H₂O (calcium sulfate dihydrate)172.16
    Yb (ytterbium)173.05
    C₆H₇NO₃S (sulfanilic acid)173.19
    Recalculate with different values ↑

    FAQ

    What is the molar mass of CeO2?

    M(CeO₂) ≈ 172.12 g/mol

    How to calculate the molar mass of CeO₂?

    Add up the atomic weights of all the atoms in the formula: 140.12 + 2 × 15.999 = 172.118 ≈ 172.12 g/mol.

    How many grams are in 2 moles of CeO₂?

    m = n × M = 2 mol × 172.12 g/mol = 344.24 g.

    See Also