You have 500,000 atoms of a radioactive substance. After 2 half-lives have past, how many atoms remain?
2 answers:
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Solution :
A cell that is concentrated is constructed by the same half reaction for the anode as well as he cathode.
We know,
In a standard cell,
the reduction half cell reaction is :
The oxidation half ell reaction :
Thus the complete reaction of the cell is :
cell =