SO₃^2-

(a)  

HSO₄^-

(a)  

SO₄^2-

(a)  

NO₃^-

(a)  

NO₂^-

(a)  

PO₄^3-

(a)  

HPO₄^2-

(a)  

H₂PO₄^-

(a)  

PO₃^3-

(a)  

OH^-

(a)  

O₂^2-

(a)  

C₂H₃O₂^-

^or

^CH3COOH

(a)  

ClO₄^-

(a)  

ClO₃^-

(a)  

ClO₂^-

(a)  

ClO^-

(a)  

CrO₄^2-

(a)  

Cr₂O₇^2-

(a)  

MnO₄^-

(a)  

CN^-

(a)  

CNO^-

(a)  

SCN^-

(a)  

CO₃^2-

(a)  

HCO₃^-

(a)  

C₂O₄^2-

(a)  

S₂O₃^2-

(a)