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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The vapour pressure of water at 20 degree C is 17.54 mm. When 20 g of a non – ionic substance is dissolved in 100 g of water, the vapour is lowered by 0.30 mm. what is the molecular weight of the substances

The vapour pressure of water at 20 degree C is 17.54 mm. When 20 g of a non – ionic substance is dissolved in 100 g of water, the vapour is lowered by 0.30 mm. what is the molecular weight of the substances

the vapour is lowered by 0.30 mm. what is the molecular weight of the substances The vapour pressure of water at 20 degree C is 17.54 mm. When 20 g of a non - ionic substance is dissolved in 100 g of water