6. It takes 36 seconds for 0.01 mole of He to diffuse through a pinhole in an effusion apparatus. It takes 144 second for 0.02 moles of gas ‘X’ to diffuse through the same apparatus molecular weight of ‘X’ is:
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The answer is 6.81 *10^4 cm/s
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answer for this chemistry problems is
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6.81*10^4
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6.81*10^4
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