Question
For the decomposition CaCO₃ → CaO + CO₂, how many moles of CO₂ form from 2 mol CaCO₃?
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Correct Answer: C. 2 mol CO₂
Explanation:
The coefficients of CaCO₃ and CO₂ are both one.
Two moles of CaCO₃ therefore form two moles of CO₂.
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