10 min/2 min half life = 5
So it has gone through 5 half lives.
2^5 = 32
10g initially/32 = ? what's left.
Barium-122 has a half-life of 2 minutes. If 10.0 g of Ba-122 are produced in a nuclear reactor how much Ba-122 will remain 10 minutes after production ceases?
Question 11 options:
2.50 g
1.25 g
0.625 g
0.313 g
2 answers
0.313g