Molar Mass of HClO3 (Chloric Acid)
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What is the molar mass of HClO3?
Answer
M(HClO3) ≈
84.46 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Cl: 35.45.
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Hhydrogen | 1 | 1.0080 | 1.0080 w ≈ 1.19% | ≈ 1.19% |
| Clchlorine | 1 | 35.45 | 35.45 w ≈ 41.98% | ≈ 41.98% |
| Ooxygen | 3 | 15.999 | 47.997 w ≈ 56.83% | ≈ 56.83% |
| Σ = 84.455 ≈ 84.46 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
O 56.83%Cl 41.98%
H 1.19%
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