MCQOPTIONS
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| 1. |
At room temperature, a dilute solution of urea is prepared by dissolving 0.60 g of urea in 360 g of water. If the vapour pressure of pure water at this temperature is 35 mmHg, lowering of vapour pressure will be:(Molar mass of urea = 60 g mol-1) |
| A. | 0.027 mm Hg |
| B. | 0.028 mm Hg |
| C. | 0.017 mm Hg |
| D. | 0.031 mm Hg |
| Answer» D. 0.031 mm Hg | |