Chemistry, asked by anu2398, 4 months ago

how do we prepare sodium selenite

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Answered by Anonymous

Answer:

Sodium selenite usually is prepared by the reaction of selenium dioxide with sodium hydroxide: SeO2 + 2 NaOH → Na2SeO3 + H2O. The hydrate converts to the anhydrous salt upon heating to 40 °C.

Solubility in water: 85 g/100 mL (20 °C)

CAS Number: (hydrate: 26970-82-1) 10102-18-8 (hydrate: 26970-82-1)

Chemical formula: Na2O3Se

Explanation:

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how do we prepare sodium selenite​

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how do we prepare sodium selenite