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Related Questions

• The solution containing 4.0 gm of a polyvinyl chloride polymer in 1 litre of dioxane was found to have an osmotic pressure $6.0\times {{10}^{-4}}\,atm.$at 300 K, the value of R used is 0.082 litre atm. ${{\deg }^{-1}}.$The molecular mass of the polymer was found to be

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• In a pair of immiscible liquids, a common solute dissolves in both and the equilibrium is reached, then the concentration of the solute in upper layer is

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• How many moles of glucose should be added to 1000 g of water so that the freezing point is depressed by 0.93 K ? Assume ${{K}_{f}}$ for water to be 1.86 K Kg$mo{{l}^{-1}}$

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• 0.440 g of a substance dissolved in 22.2 g of benzene lowered the freezing point of benzene by 0.567°. The molecular mass of the substance (${{K}_{b}}=5.12{}^\circ C\,mo{{l}^{-1}}$)

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• The degree of dissociation of $Ca{{(N{{O}_{3}})}_{2}}$ in a dilute aqueous solution containing $14\ g$ of the salt per $200\ g$ of water ${{100}^{o}}C$ is 70 percent. If the vapour pressure of water at ${{100}^{o}}C\ 760\ cm$. Calculate the vapour pressure of the solution

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