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    Molar Mass of MgI2 (Magnesium Iodide)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of MgI2?

    Answer

    M(MgI2) ≈
    278.11 g/mol

    Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — I: 126.90.

    Contribution of each element
    Element Atoms, n Atomic weight, A n × A, g/mol Mass fraction, w
    Mgmagnesium124.30524.305 w ≈ 8.74%
    Iiodine2126.90253.80 w ≈ 91.26%
    Σ = 278.105 ≈ 278.11 g/mol w = 100%

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

    Mass fractions of the elements

    Mg 8.74%

    Related Calculations

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    <a href="https://calculat.io/en/other/molar-mass/mgi2">Molar Mass of MgI2 (Magnesium Iodide): Step by Step</a>Copy
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    Molar Mass of MgI2 (Magnesium Iodide): Step by Step. M(MgI2) ≈ 278.11 g/mol: 24.305 (Mg) + 2 × 126.90 (I). Mass fractions: I 91.26%, Mg 8.74%.
    https://calculat.io/en/other/molar-mass/mgi2/generated.jpgCopy

    Molar masses of substances nearby

    FormulaM, g/mol
    Ag₂CO₃ (silver carbonate)275.75
    FeSO₄·7H₂O (ferrous sulfate heptahydrate)278.01
    PbCl₂ (lead chloride)278.1
    MgI₂ (magnesium iodide)278.11
    C₁₈H₃₄O₂ (oleic acid)282.468
    P₄O₁₀ (phosphorus pentoxide)283.886
    FeH₈N₂O₈S₂ (ferrous ammonium sulfate)284.04
    Recalculate with different values ↑

    FAQ

    What is the molar mass of MgI2?

    M(MgI₂) ≈ 278.11 g/mol

    How to calculate the molar mass of MgI₂?

    Add up the atomic weights of all the atoms in the formula: 24.305 + 2 × 126.90 = 278.105 ≈ 278.11 g/mol.

    How many grams are in 2 moles of MgI₂?

    m = n × M = 2 mol × 278.11 g/mol = 556.22 g.

    See Also