Liquids A and B form ideal solution over the entire range of composition. At temperature \( \mat...

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Liquids A and B form ideal solution over the entire range of composition. At temperature \( \mathrm{T} \), equimolar
\( \mathrm{P} \) binary solution of liquids \( A \) and \( B \) has vapour pressure

W 45 Torr. At the same temperature, a new solution of A and \( \mathrm{B} \) having mole fractions \( x \mathrm{~A} \) and \( \mathrm{xB} \), respectively, has vapour pressure of \( 22.5 \) Torr. The value of \( x \mathrm{~A} / \mathrm{xB} \) in the new solution is
(Given that the vapour pressure of pure liquid \( \mathrm{A} \) is 20
Torr at temperature \( \mathrm{T} \) )
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