1)The vapour pressure of water at 50°c is 12.333Nm^-2.At this temperature,a solution of 9.14g of urea in 150g of water has a vapour pressure of 12106Nm^-2. Find the relative molecular mass of the urea
2)The osmotic pressure of a solution prepared by dissolving 1.0g of heamogbloin in 100cm^3 of water(a) calculate the concentration in gdm^-3 (b) the molar mass of the heamogbloin?
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Asked by Olaifa on 27th January, 2023
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