Q.

From the following set-up, calculate moles of the gas present in the container of volume 24.63 litre at 600 K if the level of mercury in the open tube of the manometer is 36 cm higher.
[Given : Atmospheric pressure =78 cm of mercury]

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a

3 moles

b

0.73 moles

c

1 moles

d

1.5 moles

answer is B.

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Detailed Solution

P=78+36=114cm of Hg

n=11478×24.630.0821×1600 n=0.73 moles

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