When 12.2 g of benzoic acid is dissolved in 100 g of water, the freezing point of solution was found to be $-$0.93$^\circ$C (Kf(H2O) = 1.86 K kg mol$-$1). The number (n) of benzoic acid molecules associated (assuming 100% association) is ___________.

Question

When 12.2 g of benzoic acid is dissolved in 100 g of water, the freezing point of solution was found to be $-$0.93$^\circ$C (K_f(H₂O) = 1.86 K kg mol^$-$1). The number (n) of benzoic acid molecules associated (assuming 100% association) is ___________.

Correct Answer

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