Recent content by Keris

1/12..or 0.083mols? Ah, thank you, I didn't know we had to use moles.

Homework Statement This problem involves calculating the age of plant material from which 3 radioactive disintergrations per minute per gram of carbon are detected. During its lifetime, the plant took in carbon from the atmosphere. Of this carbon, for every 1012 atoms of normal 14C, there was...