+ + + C, H,O NaHCO Но NaC, H,O, sodium acetate CO2 carbon dioxide water acetic acid sodium bicarbonate 9. The above chemical equation shows the chemical reaction between acetic acid (vinegar) and sodium bicarbonate (baking powder). Use the table below to explain how we can tell a chemical reaction took place. (hint: what do we know about substances and their properties?) Boiling Point (degrees celsius) Freezing Point (degrees celsius) Density (g/mL) Acetic Acid 118 16.6 1.05 Sodium Bicarbonate 851 11.11 2.2 Sodium acetate 881 324 1.53 Water 100 997 Carbon Dioxide -78.46 -78 1.98​