Molar Mass of H2SiO3 (Metasilicic Acid)
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What is the molar mass of H2SiO3?
Answer
M(H2SiO3) =
78.098 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Hhydrogen | 2 | 1.0080 | 2.0160 w ≈ 2.58% | ≈ 2.58% |
| Sisilicon | 1 | 28.085 | 28.085 w ≈ 35.96% | ≈ 35.96% |
| Ooxygen | 3 | 15.999 | 47.997 w ≈ 61.46% | ≈ 61.46% |
| Σ = 78.098 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
O 61.46%Si 35.96%
H 2.58%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| Al(OH)₃ (aluminum hydroxide) | 78.003 |
| Na₂S (sodium sulfide) | 78.04 |
| CaF₂ (calcium fluoride) | 78.074 |
| H₂SiO₃ (metasilicic acid) | 78.098 |
| C₆H₆ (benzene) | 78.114 |
| Se (selenium) | 78.971 |
| NH₄HCO₃ (ammonium hydrogen carbonate) | 79.055 |