How much Cobalt gone in April?
Chemistry
Level
2
Approximately what fraction of radioactive cobalt nuclei whose half life is 71.3 days decay during April?
approx full
approx 0
4/5
3/4
1/2
2/3
1/4
5/6
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
Half will go in 71.3 days. 1/4 will go in approx 35 days which is the best option