Categories > solutions > Ideal and Non-ideal solution > A solution containing 30 g of non-volatile solute in exactly 90 g water has a vapour pressure of 21.185 mm Hg at ${{25}^{o}}C$. Further 18 g of water is then added to the solution. The resulting solution has a vapour pressure of $22.15\ mm\ Hg$ at ${{25}^{o}}C$, Calcualte the molecular weight of the solute

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Question: A solution containing 30 g of non-volatile solute in exactly 90 g water has a vapour pressure of 21.185 mm Hg at ${{25}^{o}}C$. Further 18 g of water is then added to the solution. The resulting solution has a vapour pressure of $22.15\ mm\ Hg$ at ${{25}^{o}}C$, Calcualte the molecular weight of the solute


1) 74.2
2) 75.6
3) 70.3
4) 78.7
Solution: Explanation: No Explanation
Ideal and Non-ideal solution Azeotropic mixture and Raoult’s law

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