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Preparation of Hydrogen from Cold Water and Metals

One mole of N...

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One mole of N2 gas at 0.8 ATM takes 38 sec to diffuse through a pin hole, where as one mole of an unknown compound of Xenon with F at 1.6 ATM takes 57 sec to diffuse through the same hole. Calculate the molecular formula of the compound

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N_{2}

0.8 a t m

38 s e c

to diffuse through a pin hole, whereas one mole of an unknown compound of Xenon with

F

1.6 a t m

57 s e c

to diffuse through the same hole. Calculate the molecular formula of the compound. (At. wt.

X e = 138, F = 19)

Q. One mole of nitrogen gas at

0.8 a t m

takes 38 seconds to diffuse through a pin hole whereas one mole of an unknown compound of oxygen with fluorine at

1.6

atm takes 56.26 seconds to diffuse through the same hole, then the molecular formula of the compound is:

(Atomic mass of xenon: 131.3 u)

Q. One mole of nitrogen gas at 0.8 atm takes 38 s to diffuse through a pinhole, whereas 1 mol of an unknown compound of xenon with fluorine at 1.6 atm takes 57 s to diffuse through the same hole. The formula of the compound is XeF

_{n}

. What is the value of n?

Q. A certain volume of nitrogen gas at 0.8 atm takes 25 seconds to diffuse through a pin hole whereas the same volume of an unknown compound of xenon and flourine at 1.6 atm takes 37 second to diffuse through the same hole. The molecule formed can be expressed as

X e F_{n}

. Find the value of

n

.
(Given: Molecular mass of Xe = 131 u)

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