Question

Q5. a) Prove that the following equation is in accordance with the law of conservation of mass.

CuCO3 =CuO + CO2 ( Cu=64, C=12, O=16)

Answer 1

Answer:

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Explanation:

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Answer 2

The molecular weight of copper carbonate is equal to 64+ 12+ 3x16 = 124

The molecular weight of copper oxide is equal to 64 + 16 = 80 and carbon dioxide is 12+ 2x 16 = 48

Explanation:

• Hence the molecular weight of the right-hand side of the reaction is equal to the molecular weight of the compounds in the left hand side of the equation.

• A balanced chemical reaction always follows the law of conservation of mass because the number of atoms on the right hand side is equal to the number of atoms on the left hand side.

To know more about law of conservation of mass,

State and explain law of conservation of mass? - Brainly.in

https://brainly.in/question/6006609