B A current of dry air is passed through a bulb containing 5 g of a solute in 100 g of water and then through water alone The

Question

B A current of dry air is passed through a bulb containing 5 g of a solute in 100 g of water and then through water alone The losses in weight of the solution and pure water were respectively 0 78 g and 0 02 g Calculate relative lowering of vapour pressure 1 2 04 3 0 03 2 1 05 4 0 09

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