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    Molar Mass of C9H8O2 ((E)-cinnamic Acid)

    Molar Mass Calculator
    Chemical formula

    What is the molar mass of C9H8O2?

    Answer

    M(C9H8O2) =
    148.161 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
    Ccarbon912.011108.099 w ≈ 72.96%
    Hhydrogen81.00808.0640 w ≈ 5.44%
    Ooxygen215.99931.998 w ≈ 21.60%
    Σ = 148.161 g/mol w = 100%

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

    Mass fractions of the elements

    O 21.60%H 5.44%

    Related Calculations

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    Molar Mass of C9H8O2 ((E)-cinnamic Acid): Step by Step. M(C9H8O2) = 148.161 g/mol: 9 × 12.011 (C) + 8 × 1.0080 (H) + 2 × 15.999 (O). Mass fractions: C 72.96%, O 21.60%, H 5.44%.
    https://calculat.io/en/other/molar-mass/c9h8o2/generated.jpgCopy

    Molar masses of substances nearby

    FormulaM, g/mol
    C₅H₉NO₄ (DL-glutamic acid)147.130
    SrCO₃ (strontium carbonate)147.63
    C₈H₄O₃ (phthalic anhydride)148.117
    C₉H₈O₂ ((E)-cinnamic acid)148.161
    Mg(NO₃)₂ (magnesium nitrate)148.313
    C₅H₁₁NO₂S (DL-methionine)149.21
    AgOCN (silver cyanate)149.89
    Recalculate with different values ↑

    FAQ

    What is the molar mass of C9H8O2?

    M(C₉H₈O₂) = 148.161 g/mol

    How to calculate the molar mass of C₉H₈O₂?

    Add up the atomic weights of all the atoms in the formula: 9 × 12.011 + 8 × 1.0080 + 2 × 15.999 = 148.161 g/mol.

    How many grams are in 2 moles of C₉H₈O₂?

    m = n × M = 2 mol × 148.161 g/mol = 296.322 g.

    See Also