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Metaarsenous acid react with hydrogen sulfide

2HAsO2 + 3H2S → As2S3 + 4H2O

Metaarsenous acid react with hydrogen sulfide to produce arsenic(III) sulfide and water. This reaction takes place in a acidic medium. As a result of reaction formed yellow precipitate arsenic sulfide.

Picture of reaction: img1 BB html

Сoding to search: 2 HAsO2 + 3 H2S = As2S3 + 4 H2O

Add / Edited: 02.01.2015 /

Evaluation of information: 5.0 out of 5 / number of votes: 1

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