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22. Complete and balance the following acid-base equations: (a) A aqueous solution of HClO4 is added to an aqueous solution of LiOH. (b) Aqueous H2SO4 reacts with aqueous NaOH. (c) Ba(OH)2 solid reacts with HF gas.

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Answer:

Answers are in the explanation

Explanation:

An acid-base equation in general is the reaction between an acid and a base that produce water and a salt. Thus:

a) HClO₄(aq) + LiOH(aq) → LiClO₄(aq) + H₂O(l)

   Acid     + Base → Salt      + Water

b) H₂SO₄(aq) + 2NaOH(aq) → Na₂SO₄(aq) + 2H₂O(l)

   Acid     + Base     →   Salt      + Water

c) 2HF(g) + Ba(OH)₂(s) → BaF₂ + 2H₂O

   Acid     + Base → Salt      + Water

I hope it helps!

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