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Aqueous hydrochloric acid reacts with aqueous sodium sulfite to form aqueous sulfurous acid and aqueous sodium chloride . Write a balanced chemical equation for this reaction.

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Answer:

Balanced reaction: [tex]Na_{2}SO_{3}(aq)+2HCl(aq)\rightarrow H_{2}SO_{3}(aq)+2NaCl(aq)[/tex]

Explanation:

  • It is an example of double displacement reaction.
  • Here anions and cation of two reagents interchange between themselves.
  • 2 molecules of HCl (hydrochloric acid) reacts with 1 molecule of [tex]Na_{2}SO_{3}[/tex](sodium sulphite) to produce 2 molecules of NaCl (sodium chloride) and 1 molecule of [tex]H_{2}SO_{3}[/tex] (sulphurous acid)
  • Balanced reaction: [tex]Na_{2}SO_{3}(aq)+2HCl(aq)\rightarrow H_{2}SO_{3}(aq)+2NaCl(aq)[/tex]

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