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In the thermal decomposition of copper carbonate, the black solid left behind weights less than the original copper carbonate . Why?
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In the thermal decomposition of copper carbonate, the black solid left behind weights less than the original copper carbonate . Why?

User Marvin Klar
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It is so bcs of law of conservation of mass
User Sameer Ingavale
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CuCO₃ ---T--> CuO↓ + CO₂ ↑

CO₂ escapes to the atmosphere (it's a gas)
User Grzkv
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