{"id":934,"date":"2026-06-08T02:29:14","date_gmt":"2026-06-08T06:29:14","guid":{"rendered":""},"modified":"2026-06-08T02:29:14","modified_gmt":"2026-06-08T06:29:14","slug":"sodium-bicarbonate-","status":"publish","type":"post","link":"https:\/\/c2creset.ondigit.us\/?p=934","title":{"rendered":"Sodium Bicarbonate"},"content":{"rendered":"

Sodium Bicarbonate<\/strong><\/span><\/span><\/span><\/p>\n

Sodium bicarbonate<\/span><\/span><\/a> is a chemical compound with the formula <\/span><\/span>NaHCO<\/span>3<\/sub>. It is a white crystalline solid that mostly appears as a fine powder. It has a somewhat salty, alkaline taste, like washing soda (sodium carbonate). The natural mineral form is a component of the mineral natron, called nahcolite. It is found dissolved in many mineral springs.<\/span><\/p>\n

Since it has long been known and is widely used as a food additive, the salt<\/span><\/a> has many related names such as baking or cooking soda, and bicarbonate of soda. Its name comes from the Latin sal æratus meaning aerated salt.<\/span><\/span><\/p>\n

\"\"<\/p>\n

Difference between baking soda and baking powder<\/span><\/span><\/span><\/p>\n

Baking powder contains baking soda, plus a powdered acid and cornstarch. Baking powder is a mixture. Baking soda, NaHCO<\/span>3,<\/sub> is a pure substance.<\/span><\/p>\n

Baking soda is alkaline, so acid is used in baking powder to avoid a metallic taste when the chemical change during baking creates sodium carbonate. However, to avoid the over-flavoring of acidic taste, non-acid ingredients like milk or Dutch-processed cocoa must be added.<\/span><\/span><\/p>\n

NaHCO<\/span>3<\/sub> can be obtained by the reaction of carbon dioxide with a water based solution of sodium hydroxide. This reaction produces sodium carbonate:<\/span><\/span><\/p>\n

CO<\/span>2<\/sub> + 2 NaOH → Na<\/span>2<\/sub>CO<\/span>3<\/sub> + H<\/span>2<\/sub>O<\/span><\/p>\n

\"\"<\/p>\n

Adding more carbon dioxide produces sodium bicarbonate, which at sufficiently high concentration will accumulate on the bottom. <\/span><\/span>Commercial quantities of baking soda are also produced by a similar method: soda ash, mined as the ore trona, is dissolved in water and treated with carbon dioxide. <\/span><\/span><\/p>\n

The word "trona" comes from the ancient Egyptian word ntry<\/span><\/em><\/strong>. From deposits found in the Natron<\/span><\/a> Valley<\/span>, they ground, solvated it, and then used it as paint for hieroglyphics. It precipitates as a solid from this method<\/span>:<\/span><\/p>\n

Na2<\/sub>CO3<\/sub> + CO2<\/sub> + H2<\/sub>O → 2 NaHCO3<\/sub><\/span><\/span><\/p>\n

Reaction of sodium bicarbonate salt and an acid produce a salt and carbonic acid, which readily decomposes to carbon dioxide and water:<\/span><\/span><\/p>\n

NaHCO3<\/sub> + HCl → NaCl + H2<\/sub>CO3<\/sub><\/span><\/span><\/p>\n

H2<\/sub>CO3<\/sub> → H2<\/sub>O + CO2<\/sub><\/span><\/span><\/p>\n

Sodium bicarbonate reacts with acetic acid (in vinegar), producing sodium acetate, water, and carbon dioxide:<\/span><\/span><\/p>\n

NaHCO3<\/sub> + CH3<\/sub>COOH → CH3<\/sub>COONa + H2<\/sub>O + CO2<\/sub><\/span><\/span><\/p>\n

Sodium bicarbonate reacts with bases such as sodium hydroxide to form sodium carbonates and water:<\/span><\/span><\/p>\n

NaHCO<\/span>3<\/sub> + NaOH → Na2<\/sub>CO3<\/sub> + H2<\/sub>O<\/span><\/span><\/p>\n

 <\/p>\n

Applications:<\/span><\/span><\/strong><\/span><\/p>\n

\"\"<\/p>\n