Chemistry
Give balanced equation/s for the preparation of the following salts:
- Copper [II] sulphate from CuO.
- Iron [III] chloride from Fe.
- K2SO4 from KOH soln.
- Lead [II] chloride from PbCO3 [give two equations].
Acids Bases Salts
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Answer
CuO + H2SO4 ⟶ CuSO4 + H2O
2Fe + 3Cl2 ⟶ 2FeCl3
2KOH + H2SO4 [dil.] ⟶ K2SO4 + 2H2O
PbCO3 + 2HNO3 ⟶ Pb(NO3)2 + H2O + CO2
Pb(NO3)2 + 2NaCl ⟶ 2NaNO3 + PbCl2
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