Molar Mass of C7H6O3 (Salicylic Acid)
Molar Mass Calculator
What is the molar mass of C7H6O3?
Answer
M(C7H6O3) =
138.122 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Ccarbon | 7 | 12.011 | 84.077 w ≈ 60.87% | ≈ 60.87% |
| Hhydrogen | 6 | 1.0080 | 6.0480 w ≈ 4.38% | ≈ 4.38% |
| Ooxygen | 3 | 15.999 | 47.997 w ≈ 34.75% | ≈ 34.75% |
| Σ = 138.122 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
C 60.87%
O 34.75%H 4.38%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| C₆H₇N₃O (isoniazid) | 137.142 |
| PCl₃ (phosphorus trichloride) | 137.32 |
| Ba (barium) | 137.33 |
| C₇H₆O₃ (salicylic acid) | 138.122 |
| K₂CO₃ (potassium carbonate) | 138.204 |
| La (lanthanum) | 138.91 |
| Ce (cerium) | 140.12 |