According to the equation: As₂S_3(s) ⇌ 2As³⁺_(aq) + 3S^2-_(aq), how many arsenic ions go into solution for each mole of orpiment that dissolves?

Arsenic Ions

Ions that contain arsenic in different oxidation states, often toxic and present in various environmental and industrial contexts.

Orpiment

A natural mineral composed of arsenic sulfide (As2S3), historically used as a pigment and with various industrial and medicinal applications.