Question
Given Lead (||) oxide, nitric (V), sodium carbonate solution and water. Explain briefly how you can prepare Lead (||) Carbonate. Use equation where possible.
Answers
Dissolve the lead carbonate in the HNO3, evaporate the HNO3 to dryness, add water to dissolve the lead nitrate formed, add Na2CO3 and evaporate the excess H2O.
PbO + 2HNO3 ==> H2O + Pb(NO3)2
Pb(NO3)2 + Na2CO3 ==> PbCO3 + 2NaNO3
PbO + 2HNO3 ==> H2O + Pb(NO3)2
Pb(NO3)2 + Na2CO3 ==> PbCO3 + 2NaNO3
Very examinable
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PROCEDURE FO PREPARING LEAD [II] CARBONATE
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