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Q 1105178068.     `3.9 g` of benzoic acid dissolved in `49 g` of benzene shows a depression in freezing point of `1.62 K`. Calculate the van't Hoff factor and predict the nature of solute (associated or dissociated).
(Given : Molar mass of benzoic acid `= 122 g mol^(−1)`, `K_f` for benzene `= 4.9 K kg mol_(−1)`
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)