rwo molar solution of urea and water is prepared and the density of the solution is 1.2 grams per cc then find out the molality of the solution
Answers
Answered by
7
2 Molar solution means 2 moles Urea in 1L solution.
So, Mass of Urea in solution is 2×60 = 120g
Mass of 1.2g/cc solution is 1.2×1000 = 1200g
So, mass of solvent is 1200-120 = 1080g
So, molality = (2/1080) × 1000 = 1.85 (m)
Similar questions