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  • Solution at    is composed of <img alt="1.58 \mathrm{~mol}"

Solution at  20^{\circ} \mathrm{C}  is composed of 1.58 \mathrm{~mol}  of benzene and  4.5 \mathrm{~mol}  of toulene. if vapour pressure of pure benzene and pure toulene at this temperature are 84.3 torr and 27.6 torr, then total vapour pressor of the solution  will be?

Option: 1

\mathrm{ \rho_T=50.67 }


Option: 2

\mathrm{ \rho_T=27.85 }


Option: 3

\mathrm{ \rho_T=30.68 }


Option: 4

\mathrm{ \rho_T=42.91 }


Answers (1)

best_answer

\mathrm{\rho_T=\rho_A^0 A X_A+\rho_B^0 X_B }
\mathrm{ \rho_T=84.3 \times \frac{1.5}{6}+27.6 \times \frac{4.5}{6} }
\mathrm{ \rho_T=27.85 }.

Posted by

manish painkra

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