When a substance is dissolved in a solvent,the vapour pressure of the solvent is decreased. This results in:
- AAn increase in the $b.p.$ of the solution
- B$A$ decrease in the $b.p.$ of the solvent
- CThe solution having a higher freezing point than the solvent
- DThe solution having a lower osmotic pressure than the solvent
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Calculate the molality of the solution containing a nonvolatile solute if the boiling point elevation of the solution is $0.39 \ K$.
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[$K_{b}$ of water $= 0.52 \ K \ kg \ mol^{-1}$]
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Easy
View SolutionCalculate the number of moles of nonvolatile solute dissolved in $0.3 \ kg$ solvent if $\Delta T_{b}=0.3 \ K$ and $K_{b}$ for solvent is $1.8 \ K \ kg \ mol^{-1}$.
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