Sodium tungstate in Pakistan
Molar mass: 293.82 g/mol
Solubility: slightly soluble in ammonia; insoluble in alcohol, acid
Density: 4.18 g/cm³
Melting point: 698 °C
Appearance: White rhombohedral crystals
Crystal structure: Rhombic (anhydrous); orthorhombic (dihydrate)
Description
Sodium tungstate is the inorganic compound with the formula Na₂WO₄. This white, water-soluble solid is the sodium salt of tungstic acid. It is useful as a source of tungsten for chemical synthesis. It is an intermediate in the conversion of tungsten ores to the metal.
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