Question

Calcium oxide (Cao) and carbon dioxide (CO2). If 100 g of

calcium carbonate is allowed to decompose, 56 g of calcium
oxide is produced. What mass of carbon dioxide is produced
by the decomposition?
g

Answer 1

44g

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

CaCO3 → CO2 + CaO

depending on the conservation of mass

mass of the product = mass of the reactant

100 g = ( X + 56 )

mass of CO2 = 100 - 56

= 44 g