Exercise-1 - Berkeley City College
Chapter 19 Exercises .... (Answer: 0.158 mg of Iodine-131 or 0.186 mg of Na131I)
... (Assume atomic mass ~ 131 g/mol; 1 g = 10?6 g; 1 Ci = 3.7 x 1010 Bq) ... A
small sample of wood from an archeological site in Clovis, New Mexico, was ...