A) 156
B) 145
C) 150
D) 108
Correct Answer: A
Solution :
[a] Vapour pressure of solution \[={{P}_{A}}+{{P}_{B}}\] \[=P_{A}^{{}^\circ }{{X}_{A}}+P_{B}^{{}^\circ }{{X}_{B}}=\frac{120\times 2}{5}+\frac{180\times 3}{5}\] =156 mmHgYou need to login to perform this action.
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