Question

Copper(II) carbonate is broken down by heating to form copper(II) oxide and carbon dioxide gas.
The equation for the reaction is shown.
CuCO3 → CuO + CO2
31.0g of copper(II) carbonate are heated until all of the contents of the test-tube have turned
from green to black.
The yield of copper(II) oxide formed is 17.5g
What is the percentage yield?
A) 19.02%
B)21.88%

Answer 1

Answer:

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