How many grams of urea [(NH2)2CO] must be added to 400 g of water to give...

How many grams of urea [(NH2)2CO] must be added to 400 g of water to give a solution with a vapour pressure 2.50 mmHg less than that of pure water at 30°C? (The vapour pressure of water at 30°C is 31.8 mmHg.)

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queen_honey_blossom answered 7 months ago

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