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    Molar Mass of Cl (Chlorine)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of Cl?

    Answer

    M(Cl) =
    35.45 g/mol

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

    Elemental chlorine is made of Cl2 molecules: M(Cl2) = 70.90 g/mol = 0.07090 kg/mol.

    Contribution of each element
    Element Atoms, n Atomic weight, A n × A, g/mol Mass fraction, w
    Clchlorine135.4535.45 w = 100.00%

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

    See Also

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    Molar Mass of Cl (Chlorine): Step by Step. M(Cl) = 35.45 g/mol: the standard atomic weight of chlorine (IUPAC, CIAAW 2024). Molecule M(Cl2) = 70.90 g/mol.
    https://calculat.io/en/other/molar-mass/cl/generated.jpgCopy

    Neighbouring elements of the periodic table

    FormulaM, g/mol
    Si (silicon)28.085
    P (phosphorus)30.974
    S (sulfur)32.06
    Cl (chlorine)35.45
    Ar (argon)39.95
    K (potassium)39.098
    Ca (calcium)40.078
    Recalculate with different values ↑

    FAQ

    What is the molar mass of Cl?

    M(Cl) = 35.45 g/mol

    Why is the molar mass of chlorine 35.45 and not 71?

    35.45 g/mol is the mass of one mole of Cl atoms. Elemental chlorine is made of Cl₂ molecules: M(Cl₂) = 2 × 35.45 = 70.90 g/mol (71 in school problems); in SI units, 0.07090 kg/mol. In a problem about the gas, the molar mass of chlorine is usually M(Cl₂).

    How many grams are in 2 moles of Cl?

    m = n × M = 2 mol × 35.45 g/mol = 70.90 g.

    See Also