A human body required the 0.01 m activity of radioactive substance after 24 hours. half-life of radioactive is 6 hours. then injection of maximum activity of radioactive substance that can be injected:
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Final Answer : 0.16 M
It seems M -> Molar (unit of concentration
Steps:
1) We have to find initial concentration of radioactive sample such that after 4 half lives (24/6=4) ,it concentration becomes 0.01M.
2).Initial Concentration * (1/2)^4 = Final Concentration
= > Initial Concentration =( 2^4) * 0.01 M =0.16 M
Hence, Maximum Concentration that we need to inject is 0.16M.
It seems M -> Molar (unit of concentration
Steps:
1) We have to find initial concentration of radioactive sample such that after 4 half lives (24/6=4) ,it concentration becomes 0.01M.
2).Initial Concentration * (1/2)^4 = Final Concentration
= > Initial Concentration =( 2^4) * 0.01 M =0.16 M
Hence, Maximum Concentration that we need to inject is 0.16M.
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