Chemistry:Magnesium sulfite
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Names | |||
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IUPAC name
Magnesium sulfite
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Other names
Magnesium sulphite
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Identifiers | |||
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Properties | |||
MgSO3 (anhydrous); MgSO3·6H2O | |||
Molar mass | 104.368200 g/mol (anhydrous) 212.4599 g/mol (hexahydrate) | ||
5.2g/L at 298.2K (hexahydrate) | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
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Magnesium sulfite is the magnesium salt of sulfurous acid with the formula MgSO3. Its most common hydrated form has 6 water molecules making it a hexahydrate, MgSO3·6H2O. When heated above 40 °C (104 °F), it is dehydrated to magnesium sulfite trihydrate, or MgSO3·3H2O.[1] The anhydrous form is hygroscopic, meaning that it readily absorbs water from the air.
See also
- Calcium sulfite
- Magnesium sulfate (Epsom salt)
References
- ↑ Nývlt, J., "Solubilities of Magnesium Sulfite," Journal of Thermal Analysis and Calorimetry, Volume 66, Number 2 / November, 2001
solubility tables of MgSO3 hydrates PDF[1]
Original source: https://en.wikipedia.org/wiki/Magnesium sulfite.
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