Calculate the freezing point depression ...

Calculate the freezing point depression expected for 0.0711 m aqueous solution of `Na_(2)SO_(4)`. If this solution actually freezes at `0.320^(@)C`, what would be the values of van.t Hoff factor ?
(`K_(p)` for water is `1.86^(@)C mol^(-1)`).

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The correct Answer is:

`0.397^(@)C, 2.42`

van.t Hoff equation, `Delta T_(f) = iK_(f).m`

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Calculate the freezing point depression expected for 0.0711 m aqueous solution of `Na_(2)SO_(4)`. If this solution actually freezes at `0.320^(@)C`, what would be the values of van.t Hoff factor ? (`K_(p)` for water is `1.86^(@)C mol^(-1)`).

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Calculate the freezing point depression expected for 0.0711 m aqueous solution of `Na_(2)SO_(4)`. If this solution actually freezes at `0.320^(@)C`, what would be the values of van.t Hoff factor ?
(`K_(p)` for water is `1.86^(@)C mol^(-1)`).