A 166 X 10^-4 Mole Sample of ²³⁹Pu Undergoes 9 X

Multiple Choice

A 1.66 x 10^-4 mole sample of ²³⁹Pu undergoes 9 x 10⁷ decays per second obeying first-order kinetics. How many decays per second would be expected from a 5.46 x 10^-1 mole sample?

A) 9 x 10⁸ decays/second
B) 3 x 10⁹ decays/second
C) 9 x 10¹⁰ decays/second
D) 3 x 10¹¹ decays/second
E) 9 x 10¹¹ decays/second