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    2.67 g of lead (II) carbonate is decomposed by heating until constant mass.

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    HLPaper 1A

    2.67 g of lead (II) carbonate is decomposed by heating until constant mass.

    PbCO3 (s)→PbO (s)+CO2 (g)PbCO_3 (s) → PbO (s) + CO_2 (g)PbCO3​ (s)→PbO (s)+CO2​ (g)

    What is the final mass of solid?

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