Question

5.08 g of a substance dissolved in 50 g of water lowered the freezing point by 1.2 K. Calculate

Answer 1

Answer:

By dissolving 5 g substance in 50 g of water, the decrease in freezing point is 1.2∘C. The gram molal depression is 1.85∘C. The molecular weight of substance is. m=1000×1.85×51.2×50=154.2.

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Answer 2

5.08 g of a substance dissolved in 50 g of water lowered the freezing point by 1.2 K. Calculate