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.

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Q 1846680573.     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 of vapour
pressure becomes 2.9 kPa at 298 K. Calculate

(i) molar mass of the solute.
(ii) vapour pressure of water at 298 K.

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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