CH-808

The mole

Chemistry · Secondary 3 · Hard · The mole

A student heats 5.0 g of calcium carbonate,

\text{CaCO}_3

. The decomposition is:

\text{CaCO}_3 \rightarrow \text{CaO} + \text{CO}_2

. What is the maximum mass of

\text{CO}_2

that can be produced? (

M_r

: CaCO₃ = 100, CO₂ = 44)

2.2 g
0.22 g
4.4 g
11 g

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