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To `500 cm^(3)` of water, `3 xx 10^(-3) kg` of acetic acid is added. If `23%` of axcetic acid is dissociated wha will be the depression in freezing point? `K_(f)` and density of water are `1.86 K kg^(-1) mol^(-1)` and `0.997 g cm^(-3)` respectively.

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