Appendix: Solutions
to Chapter Exercises

Exercise 2.1
R/D = 4

D/F = 0.5

R/F = (4)(0.5) = 2.

Exercise 2.2
R/D = 3

R/O = 3/4 = 0.75.

Exercise 3.1
Equation 3.4, key impurity separation power = 10,000/(1)(2)
= 5,000.
Exercise 3.2
Equation 3.3, N min = Ln [(99.5/0.5)/(1/99)]/Ln 1.12 = 87.3.
119