Question

What are the values of K and a in the Mark-Houwink-Sakurada equa- tion for polystyrene in benzene from Figure 3.15?

Answer 1

MPORTANT o FRIDAY ZU 3.00 2.00 0 -1.00 1,00 2.00 from Mark - Houtwink-Sakurada Oquan - __ - 122 Kma. . log [ 2] = look at a login from the graph - - When log 1 Mw] = 5.0 by th] = beffer) : 0.15 = wgkt (axes) - 0 -- หม่น : 515 g __ treň hogy [2] = 0:4 (ket) 0.4 = kg K+ (a1x5.5) - 1 h) - (i)] we gel- axo.5 = 0.25 no a = 0.5 a 20.5 Putting the aadig in equar. - log K & (0.5x5)= 0.15 e ka 4.46% 10-3 a=0.5 am l K24. 468103 SEP 2.00 - 3.00 ост 9.00 5.00 NOV DEC