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A storage battery contains a solution of...

A storage battery contains a solution of `H_(2)SO_(4) 38%` by weight. At this concentration, the Vant't Hoff factor is `2.50`. At what temperature will the battery contents freeze? `(K_(f)=1.86^(@) mol^(-1) kg)`

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`DeltaT_(f)=(1000K_(f)xxw)/(mxxW)=(1000xx1.86xx38)/(98xx62)=11.633`
`i=((DeltaT_(f))_("exmaple"))/((DeltaT_(f))_("normal"))`
`:.(DeltaT_(f))_("expt")=2.50xx11.633`
`=29.05`
Thus F.P. `=273-29.08=243.92 K`
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