Chemistry

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


Answers

cristal212

4 years ago Comment

Best answer

CuCO₃ ---T--> CuO↓ + CO₂ ↑ 

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

AshliRozier

4 years ago Comment

It is so bcs of law of conservation of mass