Vapour pressure of water at 298 K is 0.025bar. Following solutions are prepared at the given temperature whose molality I have calculated to be,
Solution A 0.56m urea dissolved in 178.2g of water
Solution B 0.00556m glucose dissolved in 179.2g of water
Solution C 0.279m of sodium carbonate dissolved in 179.1g of water.
Identify the correct order in which the vapour pressure increases.
Edit: I have calculated the molality of the three solutions, now it simply requires some kind of relation to be established between vapour pressure and molality which I am not getting.