At 300 K, the vapour pressure of an ideal solution containing 3 moles – InterviewSolution

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1.	At 300 K, the vapour pressure of an ideal solution containing 3 moles of A and 2 moles of B is 600 torr. At the same temperature, if 1.5 moles of A and 0.5 moles of C (non volatile ) are added to this solution the vapour pressure of solution increases by 30 torr. What is the value of P∘B (in Torr)?
Answer» At $300 K$ , the vapour pressure of an ideal solution containing $3$ moles of $A$ and $2$ moles of $B$ is $600$ torr. At the same temperature, if $1.5$ moles of $A$ and $0.5$ moles of $C$ (non volatile ) are added to this solution the vapour pressure of solution increases by $30$ torr. What is the value of $P_{B}^{\circ}$ (in Torr)?

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