Treatment of sodium tungstate with hydrochloric acid gives the trioxide:
Na2WO4 + 2 HCl → WO3 + 2 NaCl + H2O
This reaction can be reversed using aqueous solution of sodium hydroxide.
2015年7月20日星期一
Reactions of Sodium Tungstate Preparation
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.
Treatment of sodium tungstate with hydrochloric acid gives the trioxide:
Na2WO4 + 2 HCl → WO3 + 2 NaCl + H2O
This reaction can be reversed using aqueous solution of sodium hydroxide.
Treatment of sodium tungstate with hydrochloric acid gives the trioxide:
Na2WO4 + 2 HCl → WO3 + 2 NaCl + H2O
This reaction can be reversed using aqueous solution of sodium hydroxide.
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