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    Molar Mass of CrO3 (Chromium Trioxide)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of CrO3?

    Answer

    M(CrO3) =
    99.993 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
    Crchromium151.99651.996 w ≈ 52.00%
    Ooxygen315.99947.997 w ≈ 48.00%
    Σ = 99.993 g/mol w = 100%

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

    Mass fractions of the elements

    Related Calculations

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    <a href="https://calculat.io/en/other/molar-mass/cro3">Molar Mass of CrO3 (Chromium Trioxide): Step by Step</a>Copy
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    Molar Mass of CrO3 (Chromium Trioxide): Step by Step. M(CrO3) = 99.993 g/mol: 51.996 (Cr) + 3 × 15.999 (O). Mass fractions: Cr 52.00%, O 48.00%.
    https://calculat.io/en/other/molar-mass/cro3/generated.jpgCopy

    Molar masses of substances nearby

    FormulaM, g/mol
    COCl₂ (phosgene)98.91
    CuCl (cuprous chloride)99.00
    Zn(OH)₂ (zinc hydroxide)99.39
    CrO₃ (chromium trioxide)99.993
    CaCO₃ (calcium carbonate)100.086
    KHCO₃ (potassium hydrogen carbonate)100.114
    C₆H₁₂O (cyclohexanol)100.161
    Recalculate with different values ↑

    FAQ

    What is the molar mass of CrO3?

    M(CrO₃) = 99.993 g/mol

    How to calculate the molar mass of CrO₃?

    Add up the atomic weights of all the atoms in the formula: 51.996 + 3 × 15.999 = 99.993 g/mol.

    How many grams are in 2 moles of CrO₃?

    m = n × M = 2 mol × 99.993 g/mol = 199.986 g.

    See Also