Question

The freezing point of a solution of sulphur in naphthalene, in which 3.95 g of sulphur are dissolved in 100g of naphthalene, was found to be 80.00C

[Given = Kf for naphthalene = 6.50 K kg mol-1, m.p. of pure naphthalene = 81.00C] The mass of sulphur needed to cause a depression in freezing point by 10C of 1 kg of naphthalene, is​

Answer 1

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