What weight of the non-volatile solute, urea (NH2 – CO – NH2) needs to be dissolved in 100g fo water, in order to decrease the vapour pressure of water by 25%? What will be the molality of the solution?
What weight of the non-volatile solute, urea (NH2 – CO – NH2) needs to be dissolved in 100g fo water, in order to decrease the vapour pressure of water by 25%? What will be the molality of the solution?