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Question: How many grams of a non-volatile solute having a molecular weight of 90 are to be dissolved in 97.5 g water in order to decrease the vapour pressure of water by 2.5 percent



1) 25
2) 18
3) 12.5
4) 9
Solution: Explanation: No Explanation
Ideal and Non-ideal solution Azeotropic mixture and Raoult’s law

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