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

asked Jun 3, 2015 199k views

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It is so bcs of law of conservation of mass

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CuCO₃ ---T--> CuO↓ + CO₂ ↑

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

Grzkv answered Jun 9, 2015

by Grzkv

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