Saved Bookmarks
| 1. |
Potassium having atomic mass = 39.1 u contains 93.10 mass % ""^(39)K, having atomic mass 38.96371 u, 0.0118 mass % ""^(40)K, which has mass of 40.0 u and is radioactive witht_(1//2) = 1.3 xx 10^(9) y and 6.88 mass % ""^(41)K having a mass of 40.96184 u. Calculate the specific activity of naturally occurring potassium. |
|
Answer» |
|