Which of these gases are lighter and which are heavy air: oxygen, hydrogen or carbon dioxide?
| November 30, 2020 | education
The molar mass of air is 29.
Therefore, M (O2) = 16 × 2 = 32 (heavier than air)
M (H2) = 1 × 2 = 2 (lighter than air)
M (CO2) = 12 × 1 + 16 × 2 = 12 + 32 = 44 (heavier than air)
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