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A certain quantity of a gas occupied 100...

A certain quantity of a gas occupied `100ml` when collected over water at `15^(@)C` and `750mm` pressure . It occupies `91.9ml` in dry state at `NTP`. Find the `V.P.` of water at `15^(@)C`

A

`20mm`

B

`13.2mm`

C

`18mm`

D

none

Text Solution

Verified by Experts

The correct Answer is:
2
For gas,
`(P_(1)V_(1))/(T_(1))=(P_(2)V_(2))/(T_(2))`
`(760xx91.9)/(273)=(P_(2)xx100)/(288)" "rArr" "736.8.8mm` of `Hg`
`P_(t otal)=P_(2,gas)+V.P." "rArr" "V.P.=750-736.8=13.2mm ` of `Hg`
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