Radon-222 The decay equation for radon-222 gas is known to be y = y0e-0.18t , with t in days. About how long will it take the radon in a sealed sample of air to fall to 90% of its original value?
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.