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75.2 g of phenol is dissolved in a solvent of `K_f`=14. If the depression in freezing point is 7 K then find the % of phenol that diamerises.

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`2C_(6)H_(5)OH(C_(6)H_(5)OH)_(2)`
`C-Calpha" "(Calpha)/2`
`7=14xx0.8((2-alpha)/2)`
`apha=0.75=75%`
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