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100cm3 of Carbon (IV) Oxide diffuses through a porous plate in 30 seconds. Calculate the time taken by 75cm3 of Nitrogen (IV) Oxide to diffuse through the same plate under similar conditions. (C = 12, 0 = 16, N = 14)

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75cm3 of CO2 takes = (75 x 30)/100 second = 22.5 s 

Rmm of CO= 12 + 2 x 16 = 44

Rmm of NO= 14 + 2 x 16 = 46
sukchempp1ANS16B

 = 23.006s 

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