21. Nuclear Chemistry
Radioactive Half-Life
16PRACTICE PROBLEM
The initial decay rate of a sample of Ac-224 is 2.50×105/s. If the half-life of Ac-224 is 2.78 hours, calculate the time it will take for the decay rate to fall to 1.50×103/s.
The initial decay rate of a sample of Ac-224 is 2.50×105/s. If the half-life of Ac-224 is 2.78 hours, calculate the time it will take for the decay rate to fall to 1.50×103/s.