Calculate the concentration of IO₃⁻, IO₃X⁻, SO₃²⁻, SO₃X²⁻ ions in mol/L for each run in set A.

A. IO₃⁻, SO₃²⁻
B. IO₃X⁻, SO₃X²⁻
C. IO₃⁻, IO₃X⁻
D. SO₃²⁻, SO₃X²⁻