Saved Bookmarks
| 1. |
An aqueous solution freezes at -0.2^(@)C. What is the molality of the soluiton ? Determines also (i) elevation in the boiling point (ii) lowering of vapour pressure at 298 K, given that K_(f)=1.86^(@)"kg mol"^(-1),K_(b)=0.512^(@)" kg mol"^(-1) and vapour pressure of water at 298 K is 23.756 mm. |
|
Answer» Calculate `(n_(2))/(n_(1))`. Then APPLY `(Deltap)/(p^(@))=(n_(2))/(n_(1))." Calculate "Delta p.` |
|