A chemistry problem by puneet mangla

Chemistry Level pending

400 g of Chlorine is dissolved in 1L of water to form chlorine water solution. A beaker contains 20 moles of CCl4 and 50 moles of water. Now 10 moles of KBr is dissolved in water . Now the vapour pressure of solution is P1. Now enough above made chlorine water is added to completely reactg with KBr solution.Now final vapour pressure of above mixture is P2.

find [ P 2 + P 1 P 2 P 1 \frac{P2+P1}{P2-P1} ]

where [.] denotes greatest integer function.

P0 values of water, CCl4 and bromine are 760 torr ,270 torr , 230 torr respectively.


The answer is 20.

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