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1. |
At a particular temperature, the vapour pressures of two liquids A and B are respectively 120 and 180 mm of mercury If 2 moles of A and 3 moles of B are mixed to form an ideal solution, the vapour pressure of the solution at the same temperature will be (in mm of mercury) |
A. | 156 |
B. | 145 |
C. | 150 |
D. | 108 |
Answer» B. 145 | |