3 Na₂(COO)₂ + 2 Na₂CrO₄ + 8 H₂SO₄ → 5 Na₂SO₄ + Cr₂(SO₄)₃ + 6 CO₂ + 8 H₂O

This is an acid-base reaction (neutralization): Na₂CrO₄ is a base, H₂SO₄ is an acid.

This is an oxidation-reduction (redox) reaction:

Na₂(COO)₂ is a reducing agent, Na₂CrO₄ is an oxidizing agent.

Reactants:

• Na₂(COO)₂
• Na₂CrO₄ – Sodium chromate
  • Other names: Chromic acid , (Na2CrO4) , Disodium salt ... show moreChromium disodium oxide , Rachromate , H2CrO4 , Chromic acid, disodium salt , Disodium chromate , Chromiumsodium oxide , Sodium chromate(VI) , Disodium chromate (VI) , Disodium chromium tetraoxide show less
  • Appearance: Yellow crystals ; Yellow hygroscopic crystals
• H₂SO₄ – Sulfuric acid
  • Other names: Oil of vitriol , Sulfuric acid, concentrated (> 51% and < 100%) , H2SO4 ... show moreSulphuric acid , Battery acid , Hydrogen sulfate , [SO2(OH)2] , [S(OH)2O2] , Sulfuric acid (aqueous) show less
  • Appearance: Clear, colorless liquid ; Odourless colourless oily hygroscopic liquid ; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.]

Products:

• Na₂SO₄
  • Names: Sodium sulfate , Sodium sulphate , Sulfate of sodium ... show moreThenardite (mineral) , Glauber's salt (decahydrate) , Sal mirabilis (decahydrate) , Mirabilite (decahydrate mineral) , Disodium sulfate , Anhydrous sodium sulfate , Sodium sulfate anhydrous , Sodium sulfate, anhydrous , Sodium sulphate anhydrous , Sodium sulphate, anhydrous , Sulfuric acid disodium salt, anhydrous , Disodium sulphate , Salt cake , Na2SO4 , Sulfuric acid disodium salt show less
  • Appearance: White crystalline solid | hygroscopic ; White hygroscopic solid in various forms
• Cr₂(SO₄)₃ – Chromium(III) sulfate
  • Other names: Basic chromium sulfate , Chromic sulfate
  • Appearance: Reddish-brown crystals (anhydrous), purple crystals (hydrated)
• 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.]
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas