Molar Mass of C9H11NO2 (Phenylalanine)

Molar Mass Calculator

What is the molar mass of C₉H₁₁NO₂?

Answer

M(C₉H₁₁NO₂) =

165.192 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	Mass fraction, w
Ccarbon	9	12.011	108.099 w ≈ 65.44%	≈ 65.44%
Hhydrogen	11	1.0080	11.0880 w ≈ 6.71%	≈ 6.71%
Nnitrogen	1	14.007	14.007 w ≈ 8.48%	≈ 8.48%
Ooxygen	2	15.999	31.998 w ≈ 19.37%	≈ 19.37%
Σ = 165.192 g/mol w = 100%				100%

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

Mass fractions of the elements

C 65.44%

O 19.37%N 8.48%H 6.71%

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Molar masses of substances nearby

Formula	M, g/mol
Na₃PO₄ (trisodium phosphate)	163.940
Ca(NO₃)₂ (calcium nitrate)	164.086
Ho (holmium)	164.93
C₉H₁₁NO₂ (phenylalanine)	165.192
KI (potassium iodide)	166.00
C₈H₆O₄ (terephthalic acid)	166.132
KBrO₃ (potassium bromate)	166.999

FAQ

What is the molar mass of C9H11NO2?

M(C₉H₁₁NO₂) = 165.192 g/mol

How to calculate the molar mass of C₉H₁₁NO₂?

Add up the atomic weights of all the atoms in the formula: 9 × 12.011 + 11 × 1.0080 + 14.007 + 2 × 15.999 = 165.192 g/mol.

How many grams are in 2 moles of C₉H₁₁NO₂?

m = n × M = 2 mol × 165.192 g/mol = 330.384 g.

See Also