How many moles of carbon dioxide, CO2, can be formed by the decomposition of 10 moles of aluminum carbonate, Al2(CO3)?

30 moles of CO₂

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

Al₂(CO₃)₃ —> Al₂O₃ + 3CO₂

From the balanced equation above,

1 mole of Al₂(CO₃)₃ decomposed to produce 3 moles of CO₂.

Finally, we shall determine the number of mole of CO₂ produced from the decomposition of 10 moles of Al₂(CO₃)₃. This can be obtained as follow:

From the balanced equation above,

1 mole of Al₂(CO₃)₃ decomposed to produce 3 moles of CO₂.

Therefore, 10 moles of Al₂(CO₃)₃ will decompose to produce = 3 × 10 = 30 moles of CO₂.

Thus, 30 moles of CO₂ were obtained from the reaction.

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