Back

Answer to Problem 2

2. Given: f_ss = 0.1, C_o = 2 mM = 0.002 M, t = 45 min = 2700 sec.

C/C_o = f_ss = 1/(1 + kC_ot)

Solving for 1/k, we get 1/k = C_ot_1/2 = C_ot/((1/f_ss) - 1)) or

C_ot_1/2 = (0.002 M x 2700 sec)/((1/0.1) - 1)) = 5.4 M sec/9 = 0.6 M sec