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A solution of 7 g of a non-volatile solute in 250 g of water boils at 100.26^(@)C. Find the molecular mass of th solute K_(b) for water is 0..52 K kg mol^(-1) . |
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Answer» `M_(B)=(K_(B)xxW_(B))/(DeltaT_(b)xxW_(A))=((0.52" K kg mol"^(-1))XX(7g))/((0.26 K)xx(0.250" Kg"))=56" g mol"^(-1)` |
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