Question

38. Identify the parent acids and bases of the following salts. Name eac
Na2CO3, Na2SO4, CaCO3. CuSO4, Al2(SO4)3​

Answer 1

Answer:

here is your answer mate......

1. Na2CO3 - NaOH(base),Carbonic acid( acid)

2.Na2SO4 - NaOH(base), Sulphuric acid(acid)

3 CaCO3 -Ca(OH2)(base),Carbonic acid(acid)

4.CuSO4 -Cu(OH2)(base), sulphuric acid(acid)

5.Al2(SO4)3 - Al(OH)3(base),Sulphuric acid(acid)

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Answer 2

Answer:

Na₂CO₃ :- NaOH (base) and H₂CO₃(acid)

Na₂SO₄ :- NaOH (base) and H₂SO₄ (acid)

CaCO₃ :-   Ca(OH)₂ (base) and  H₂CO₃ (acid)

CuSO₄ :-    NaOH  (base) and H₂SO₄ (acid)

Al(SO₄)₃:-   Al(OH)₃ (base) and  H₂SO₄ (acid)

Step-by-step explanation:

When the chemical reaction happens between an acid and a base, there is the formation of salt and water. This type of reaction is called neutralization reaction.

• The chemical reaction between sodium hydroxide (base) and carbonic acid will give salt sodium carbonate.

          NaOH   +   H₂CO₃     $\longrightarrow$   Na₂CO₃   +  H₂O

• The chemical reaction between sodium hydroxide (base) and Sulphuric acid will give salt sodium sulphate.

           NaOH   +   H₂SO₄     $\longrightarrow$   Na₂SO₄   +  H₂O

• The chemical reaction between base calcium hydroxide  and carbonic acid will give salt calcium carbonate.

           Ca(OH)₂  +  H₂CO₃   $\longrightarrow$   CaCO₃  +  H₂O

• The chemical reaction between Copper hydroxide (base) and Sulphuric acid will give salt copper sulphate.

            NaOH   +  H₂SO₄   $\longrightarrow$   CuSO₄  +  H₂O

• The chemical reaction between aluminium hydroxide (base) and Sulphuric acid will give salt  aluminium sulphate.

            Al(OH)₃  +  H₂SO₄  $\longrightarrow$   Al(SO₄)₃ +  H₂O