The vapour pressure of pure benzene, `C_(6)H_(6)` at `50^(@)C` is 268` Torr. How many moles of non-volatile solute per mol of benzene is required to p

The vapour pressure of pure benzene, `C_(6)H_(6)` at `50^(@)C` is 268` Torr. How many moles of non-volatile solute per mol of benzene is required to prepare a solution of benzene is required to prepare a solution of benzenen having a vapour pressure of `167` Torr at `50^(@)C` ?
A. `0.377`
B. `0.605`
C. `0.623`
D. `0.395`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - A
`(268-167)/(268)=xrArr So xx=0.37`.

4 views Answered 2023-02-05 15:29

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