Science, Tech, Math Science Baking Soda Chemical Formula (Sodium Bicarbonate) Molecular Formula for Baking Soda or Sodium Bicarbonate Share Flipboard Email Print This is the chemical formula of baking soda, showing its ions in water. Anne Helmenstine Science Chemistry Basics Chemical Laws Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry in Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate by Anne Marie Helmenstine, Ph.D. Updated August 24, 2017 Baking soda is the common name for the chemical sodium bicarbonate or sodium hydrogen carbonate. The molecular formula of sodium bicarbonate is NaHCO3. The compound is a salt that dissociates into sodium (Na+) cation and carbonate (CO3-) anions in water. Baking soda is an alkaline white crystalline solid, usually sold as a powder. It has a slightly salty flavor. citecite this article Format mla apa chicago Your Citation Helmenstine, Anne Marie, Ph.D. "Baking Soda Chemical Formula (Sodium Bicarbonate)." ThoughtCo, Aug. 24, 2017, thoughtco.com/baking-soda-chemical-formula-608474. Helmenstine, Anne Marie, Ph.D. (2017, August 24). Baking Soda Chemical Formula (Sodium Bicarbonate). Retrieved from https://www.thoughtco.com/baking-soda-chemical-formula-608474 Helmenstine, Anne Marie, Ph.D. "Baking Soda Chemical Formula (Sodium Bicarbonate)." ThoughtCo. https://www.thoughtco.com/baking-soda-chemical-formula-608474 (accessed April 23, 2018). copy citation Continue Reading