What is the name of #Na_2S#?

1 Answer
May 15, 2016

Answer:

#"Sodium sulfide"#

Explanation:

Sodium sulfide is one of the few water soluble sulfides. To a sodium sulfide solution you can add elemental sulfur, which is normally very insoluble. The sulfide forms a polysulfide with extra sulfur, and the sulfur goes up into solution.