Calculate the freezing point of a 0.100 m aqueous solution of k2so4, taking interionic attractions into consideration by using the van't hoff factor (i for 0.100 m k2so4 = 2.32).

Ionic  salt  dissociate  completely  in  water   particularly in  water at  low  concentration.
 The  molal  freezing point  of  depression constant  for  water is 1.85kg/k/mol
therefore depression  of  freezing  point =1.853  x 0.100  x  2.32=0.429  degrees  celsius
hence  solute  freeze at - 0.429  degree  celsius

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