Does Sodium Benzoate React When Mixed with Water and Different Solutions?

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SUMMARY

Sodium benzoate reacts with hydrochloric acid (HCl) to produce sodium chloride (NaCl) and benzoic acid (C6H5COOH), with the latter being insoluble and forming a white precipitate. When mixed with sodium hydroxide (NaOH), the solubility of sodium benzoate may be influenced depending on the concentration of NaOH present. Sodium benzoate is highly soluble in water due to its ionic nature. For detailed chemical equations, refer to standard chemistry handbooks.

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  • Understanding of ionic compounds and solubility principles
  • Basic knowledge of acid-base reactions
  • Familiarity with chemical equation writing
  • Access to a chemistry handbook for reference
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  • Research the solubility rules for ionic compounds in water
  • Learn about the properties and reactions of benzoic acid
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Chemistry students, laboratory technicians, and anyone interested in the solubility and reactivity of sodium benzoate in various solutions.

sam.
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Would sodium benzoate react (dissolve) when added to water and HCl, or to water and NaOH? Also, how would you write the chemical equations for the reactions?
 
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sam. said:
Would sodium benzoate react (dissolve) when added to water and HCl, or to water and NaOH? Also, how would you write the chemical equations for the reactions?

If you want to know for certain, look for sodium benzoate and benzoic acid in a handbook of chemistry & physics. Sodium salts are usually very soluble in water; but if you have strong acid present or enough strong acid, you may sufficiently convert the sodium benzoate to its acid form (benzoic acid), and for this solubility, check a handbook. As for the presence of NaOH, again, not sure if you have enough solute NaOH present to affect the solubility of the quantity of sodium benzoate; my guess is that beyond a certain concentration of NaOH, this solute may affect the solubility of your sodium benzoate, but really not sure.
 
sodium benzoate is a sodium salt and is ionic, it dissolves in water.

sodium benzoate will react with HCl to give NaCl and benzoic acid. benzoic acid is insoluble, it will give a white ppt.

C6H5COO-Na+ + HCl -------> C6H5COOH + NaCl
 

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