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    Molar Mass of C5H12 (N-pentane)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of C5H12?

    Answer

    M(C5H12) =
    72.151 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
    Ccarbon512.01160.055 w ≈ 83.24%
    Hhydrogen121.008012.0960 w ≈ 16.76%
    Σ = 72.151 g/mol w = 100%

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

    Mass fractions of the elements

    H 16.76%

    Related Calculations

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    Molar Mass of C5H12 (N-pentane): Step by Step. M(C5H12) = 72.151 g/mol: 5 × 12.011 (C) + 12 × 1.0080 (H). Mass fractions: C 83.24%, H 16.76%.
    https://calculat.io/en/other/molar-mass/c5h12/generated.jpgCopy

    Molar masses of substances nearby

    FormulaM, g/mol
    C₃H₄O₂ (acrylic acid)72.063
    C₄H₈O (butanone)72.107
    CaS (calcium sulfide)72.14
    C₅H₁₂ (n-pentane)72.151
    Ge (germanium)72.630
    C₄H₁₁N (diethylamine)73.139
    Li₂CO₃ (lithium carbonate)73.89
    Recalculate with different values ↑

    FAQ

    What is the molar mass of C5H12?

    M(C₅H₁₂) = 72.151 g/mol

    How to calculate the molar mass of C₅H₁₂?

    Add up the atomic weights of all the atoms in the formula: 5 × 12.011 + 12 × 1.0080 = 72.151 g/mol.

    How many grams are in 2 moles of C₅H₁₂?

    m = n × M = 2 mol × 72.151 g/mol = 144.302 g.

    See Also