Normal freezing point of a solvent is `5^(@)C` A 0.5 nilal solution of urea in the this solvent causes freezing point depression of two degrees. Calcu

Question

Normal freezing point of a solvent is `5^(@)C` A 0.5 nilal solution of urea in the this solvent causes freezing point depression of two degrees. Calcu

Normal freezing point of a solvent is `5^(@)C` A 0.5 nilal solution of urea in the this solvent causes freezing point depression of two degrees. Calculate the molal depression constant.

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - 4 `km^(-1)`
`DeltaT_(f)=2^(@)C=2" K Molality",m=0.5 m, DeltaT_(f)=K_(f)m`
`K_(f)=(DeltaT_(f))/m=(2K)/(0.5m)=4Km^(-1)`

5 views Answered 2023-02-05 15:29