Respuesta :
To convert the benzoate salt into benzoic acid.
The sodium version of benzoic acid is sodium benzoate, often known as benzoate of soda. It is an aromatic molecule with the molecular weight of 144.11 and the chemical formula C7H5NaO2. Chemically mixing sodium hydroxide with benzoic acid produces sodium benzoate.
Exactly how is benzoic acid made?
In an industrial setting, toluene can be partially oxidized with oxygen gas to produce benzoic acid. It should be noted that this method typically uses cobalt or manganese naphthenate as a catalyst. Benzamide and benzonitrile can also be hydrolyzed to create this chemical.
Baking soda, soda ash, or lye are used to combine benzoic acid with to create sodium benzoate. Because of this reaction, it becomes soluble in water (benzoic acid is not soluble in water on its own). In the United States, the first chemical preservative allowed in foods was benzoic acid or its sodium salt, benzoate. Today, it is still frequently used for a variety of cuisines.
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