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Arrange the gases, H(2) , N(2), He, O(2)...

Arrange the gases, `H_(2) , N_(2), He, O_(2)` in increasing rate of diffusion.

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To arrange the gases \( H_2, N_2, He, O_2 \) in increasing order of their rate of diffusion, we can use Graham's law of effusion, which states that the rate of diffusion of a gas is inversely proportional to the square root of its molar mass. ### Step-by-Step Solution: 1. **Identify the Molar Masses**: - For \( H_2 \) (Hydrogen): The molar mass is \( 2 \, \text{g/mol} \). - For \( N_2 \) (Nitrogen): The molar mass is \( 28 \, \text{g/mol} \) (14 for each nitrogen atom). - For \( He \) (Helium): The molar mass is \( 4 \, \text{g/mol} \). ...
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