Answer:
43.8%
Explanation:
Hydrogen+Carbon=1.00g
so carbon =1-0.562=0.438g
Mass percent=(0.438÷1)×100%
=43.8%
No you can’t do that, that’s idiotic
A 25% of the initial parent nuclei.
One half life, you get 50%, two half lives you get 25% and you just keep dividing by 2 from there. :) Good luck my friend!
