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| 1. |
The vapour pressure of water at room temperature is 30 mm of Hg. If the mole fraction of water in a solution of non volatile solute is 0.9, the vapour pressure of the solution will be :-A. 30mm of HgB. 24 mm of HgC. 21 mm of HgD. 27 mm of Hg |
| Answer» Correct Answer - D | |