has role is conjugate acid of hydrogencarbonate carbonic acid A chalcocarbonic acid that has formula CH2O3. Acid of air Aerial acid BVKZGUZCCUSVTD-UHFFFAOYSA-N Bisodium carbonate CH2O3 Calcined Carbonic acid Carbonic acid sodium salt Consal Crystol carbonate Dihydrogen carbonate Disodium carbonate H2CO3 InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4) Koehlensaeure Mild alkali Na-X OC(O)=O Oxyper Sal soda Salt of soda Scotch soda Soda Soda ash Sodium carbonate Sodium carbonate anhydrous Sodium carbonate hydrated Sodium carbonate peroxyhydrate Solvay soda Trona soda ash Tronalight light soda ash [CO(OH)2] carbonic acid dihydroxidooxidocarbon carbon oxoacid chalcocarbonic acid mouse metabolite