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821mLN(2) (g) was collected over liquid ...

`821mLN_(2) (g)` was collected over liquid water at 300 K and 1 atm.If vapour pressure of `H_(2)O` is 30 torr then moles of `N_(2) (g)` in moist gas mixture is :

A

0.39

B

0.032

C

0.96

D

0.0013

Text Solution

Verified by Experts

The correct Answer is:
b
(b) `P_(N_(2))=760-30=730" torr".`
`n_(N_(2))=(730xx0.821)/(760xx0.0821xx300)=0.032`
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