Carbon dioxide is ____ times heavier than air.

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Solution

Carbon dioxide has one carbon atom and two oxygen atoms, and a molecular weight of 44 grams per mole.
The Molecular weight of CO₂ is higher than the average molecular mass of air.
The average molar mass of dry air is 28.97 grams per mole.
Therefore, carbon dioxide is 1.5 times heavier than air.

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