Carbon -11 is a radioactive isotope of carbon. It’s half life is 20 minutes. What amount of the initial mass of 70.0g of C -11 a
toms in a sample will be left after 80 minutes
1 answer:
Answer:
4.38g
Explanation:
70.0/2 = 35g - 20 mins
35/2 = 17.5g - 40 mins
17.5/2 = 8.75g - 60 mins
8.75/2 = 4.375g - 80 mins
You might be interested in
1.03!! Very easy you welcome:)
2.50 x 2/1 = 5 mol of Citric Acid
5 x (3+72+5+112) = 960g of Citric Acid
Answer: 960g of Citric Acid
Answer:
true
Explanation:
The hydroxyl group is a functional group formed by an oxygen atom and a hydrogen atom.
Answer: Zn + S —> ZnS
Explanation:
Bases dissolve many metals.
