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0.75 mol of ethylene bromide were mixed ...

0.75 mol of ethylene bromide were mixed with 0.25 mol ofpropylene bromide at 358 K to form nearly ideal solution. Vapour pressures of pure ethylene bromide and propylene bromide at 358 K are `2.77xx10^(4)"N m"^(-2)` and `1.73xx10^(4)"N m"^(-2)` respectively. Calculate the vapour pressure of the solution.

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`2.51xx10^(4)"N m"^(-2)`
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