Arsenate - Ions

Ions

• In strongly acidic conditions it exists as arsenic acid, H₃AsO₄;
• in weakly acidic conditions it exists as dihydrogen arsenate ion, H₂AsO₄−;
• in weakly basic conditions it exists as hydrogen arsenate ion HAsO₄2−;
• and finally, in strongly basic conditions, it exists as the arsenate ion AsO₄3−.