This preview shows page 1. Sign up to view the full content.
Unformatted text preview: 20 pts 3) Equilibrium osmotic pressure heads (h) measured at 22 o C for a series of solutions of a polystyrene sample in toluene are tabulated below:’ Polystyrene concentration (g/dm 3 ) h (mm toluene) 2.6 5.85 5.2 12.93 8.7 24.37 11.8 36.34 15.1 50.99 Assuming that the densities of toluene and polystyrene at 22 C are respectively 0.867 g/cc and 1.05 g/cc, calculate number average molecular weight for the sample of polystyrene and an estimate of polystyrene-toluene interaction parameter....
View Full Document
This note was uploaded on 02/14/2011 for the course ORGANIC CH 341 taught by Professor Idk during the Spring '11 term at Wisconsin.
- Spring '11