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Question

IsNa2S an acid or base?


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Solution

Na2S(sodium sulfide) is the salt (product) of the reaction of H2S, a weak acid, andNaOH, a strong base, The resulting reaction is a neutralization reaction.

2NaOH(aq)+H2S(g)Na2S(s)+2H2O(l)

  1. Due to the presence of additionalOH- ions formed by the hydrolysis of ions, the aqueous solution of such a salt is predominantly alkaline (alkaline).
  2. Thus, Na2S is primarily a basic saltCaCO3, Na2CO3and so on.

Hence, Na2S is neither an acid nor a base, it is a salt.


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