Easy
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Question
What will be the ratio of a number of molecules present in 1 L of H2 gas and 4 L of CO2 gas at STP?
WBBSE
Class X
Physical Science
Behaviour of Gases
01 Mark
2023
Answer
d. 1 : 4
Explanation:
At STP, equal volumes of gases contain equal numbers of molecules (Avogadro’s law).
So, molecules ∝ volume ⇒ (1 L H₂) : (4 L CO₂) = 1 : 4.
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