SoWhat2030 SoWhat2030 27-11-2022 Chemistry Answered 13. Which is a spectator ion in the reaction between potassium carbonate and calcium iodide? Select all that apply. A. [tex]\mathrm{K}^{+}[/tex] B. [tex]\mathrm{CO}_3{ }^{2-}[/tex] C. [tex]\mathrm{Ca}^{2+}[/tex] D. [tex]\mathrm{I}^{+}[/tex]