solutions

Question: The vapour pressure of pure A is 10.0 is torr and at the same temperature when 1 g of B is dissolved in 20 g of A, its vapour pressure is reduced to 9.0 torr. If the molecular weight of A is 200 a.m.u., then the molecular weight of B is



1) 100 a.m.u.
2) 90 a.m.u.
3) 75 a.m.u.
4) 120 a.m.u.
Solution: Explanation: No Explanation
Ideal and Non-ideal solution Azeotropic mixture and Raoult’s law

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