Answer:
According to Dalton's Law of partial pressures, the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the individual gases.
Vapour pressure of a solution containing A & B liquid is,
Total V.P = Vapour pressure of A + Vapour pressure of B .
- Total vapour pressure = 200 mm + 300 mm
- Total vapour pressure = 500 mm
Therefore, the total vapor pressure of the binary ideal solution is 500 mm.
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