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# A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further, 18 g of water is then added to the solution and the new vapour pressure becomes 2.9 kPa at 298 K. Calculate:ii. vapour pressure of water at 298 K.

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$3.53kPa$
Hence (A) is the correct answer.
answered Jun 16, 2014