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    Molar Mass of COCl2 (Phosgene)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of COCl2?

    Answer

    M(COCl2) =
    98.91 g/mol

    Atomic weights: IUPAC standard values (CIAAW, 2024).

    CoCl2 (cobaltous chloride) is a different substance: M(CoCl2) ≈ 129.83 g/mol.

    Contribution of each element
    Element Atoms, n Atomic weight, A n × A, g/mol Mass fraction, w
    Ccarbon112.01112.011 w ≈ 12.14%
    Ooxygen115.99915.999 w ≈ 16.18%
    Clchlorine235.4570.90 w ≈ 71.68%
    Σ = 98.91 g/mol w = 100%

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

    Mass fractions of the elements

    O 16.18%C 12.14%

    Related Calculations

    See Also

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    Molar Mass of COCl2 (Phosgene): Step by Step. M(COCl2) = 98.91 g/mol: 12.011 (C) + 15.999 (O) + 2 × 35.45 (Cl). Mass fractions: Cl 71.68%, O 16.18%, C 12.14%.
    https://calculat.io/en/other/molar-mass/cocl2/generated.jpgCopy

    Molar masses of substances nearby

    FormulaM, g/mol
    H₂SO₄ (sulfuric acid)98.07
    CH₃COOK (potassium acetate)98.142
    C₆H₁₀O (cyclohexanone)98.145
    COCl₂ (phosgene)98.91
    CuCl (cuprous chloride)99.00
    Zn(OH)₂ (zinc hydroxide)99.39
    CrO₃ (chromium trioxide)99.993
    Recalculate with different values ↑

    FAQ

    What is the molar mass of COCl2?

    M(COCl₂) = 98.91 g/mol

    How to calculate the molar mass of COCl₂?

    Add up the atomic weights of all the atoms in the formula: 12.011 + 15.999 + 2 × 35.45 = 98.91 g/mol.

    How many grams are in 2 moles of COCl₂?

    m = n × M = 2 mol × 98.91 g/mol = 197.82 g.

    See Also