Chemistry
Give balanced chemical equations to prepare the following salts :
(i) Lead sulphate from lead carbonate.
(ii) Sodium sulphate using dilute sulphuric acid
(iii) Copper chloride using copper carbonate.
Nitric Acid
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Answer
(i) Lead sulphate from lead carbonate:
PbCO3 + 2HNO3 ⟶ Pb(NO3)2 + H2O + CO2
Pb(NO3)2 + Na2SO4 ⟶ PbSO4 + 2NaNO3
(ii) Sodium sulphate using dilute sulphuric acid:
Na2CO3 + H2SO4 ⟶ Na2SO4 + H2O + CO2
(iii) Copper chloride using copper carbonate:
CuCO3 + 2HCl (dil) ⟶ CuCl2 + H2O + CO2
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