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19.5 of is dissolved in of water. The depression in the freezing point of water observed is . Calculate the van't Hoff factor and dissociation constant of fluoroacetic acid.
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Using the relation,
Calculated
.
Calculation of dissociation constant :
Let be the degree of dissociation and be the initial concentration of

Taking the volume of solution as
Calculation of dissociation constant :
Let

Taking the volume of solution as
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