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    Molar Mass of Si (Silicon)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of Si?

    Answer

    M(Si) =
    28.085 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
    Sisilicon128.08528.085 w = 100.00%

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

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    Molar Mass of Si (Silicon): Step by Step. M(Si) = 28.085 g/mol: the standard atomic weight of silicon (IUPAC, CIAAW 2024).
    https://calculat.io/en/other/molar-mass/si/generated.jpgCopy

    Neighbouring elements of the periodic table

    FormulaM, g/mol
    Na (sodium)22.990
    Mg (magnesium)24.305
    Al (aluminium)26.982
    Si (silicon)28.085
    P (phosphorus)30.974
    S (sulfur)32.06
    Cl (chlorine)35.45
    Recalculate with different values ↑

    FAQ

    What is the molar mass of Si?

    M(Si) = 28.085 g/mol

    How is the molar mass of silicon different from its atomic weight?

    Only in units: the relative atomic mass Ar(Si) = 28.085 has no unit, and the molar mass M(Si) = 28.085 g/mol is the mass of one mole of atoms (6.022 × 10²³ of them).

    How many grams are in 2 moles of Si?

    m = n × M = 2 mol × 28.085 g/mol = 56.170 g.

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