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A 2.24 litre cylinder of oxygen at NTP i...

A 2.24 litre cylinder of oxygen at NTP is found to develop a leakage. When the leakage was plugged the pressure dropped to 570 mm of Hg. The number of moles of gas that escaped will be: 

A

0.025

B

0.05

C

0.075

D

0.09

Text Solution

Verified by Experts

The correct Answer is:
a
(a) `Ppropn,` initial mole ` n_(1)=(PV)/(RT)=0.1 " mole" `
`(P_(1))/(P_(2))=(n_(1))/(n_(2))`
`(1)/(0.75)=(0.1)/(n_(2)) " "implies n_(2)=0.075`
Escape mole =0.025
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