3 (Mn)²⁺ + 4 NO₃ + 8 CO₃^2- → 3 MnO₄^2- + 4 NO₂^- + 8 CO₂

This is an oxidation-reduction (redox) reaction:

Mn²⁺ is a reducing agent, NO₃ is an oxidizing agent.

Reactants:

• Mn²⁺
• NO₃
• CO₃^2- – Carbonate , Trioxidocarbonate{{rp|127}}
  • Other names: Carbonate ion

Products:

• MnO₄^2-
• NO₂^- – Dioxidonitrate(1−)
  • Other names: Nitrite , Nitrite ion , NO2(-) ... show more[NO2](-) , Nitrit , Nitrous acid, ion(1-) , Nitrite anion , Nitrite(1-) , NO2 , Nitrogen peroxide ion , Nitrogen dioxide , Nitrogen dioxide ion show less
• CO₂
  • Names: Carbon dioxide , {{plainlist| , CO2 ... show moreCarbonic acid gas , Dry ice , [CO2] , Carbonic anhydride , R-744 , E-290 , E 290 , E290 , Carbonic acid anhydride , Carbon-12 dioxide , Methanedione , Carbon oxide , CO₂ , [Note: Normal constituent of air (about 300 ppm)]. show less
  • Appearance: Colorless gas ; Odourless colourless compressed liquefied gas ; Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Solid form is utilized as dry ice.]