1 A sample of ( { }^{113 mathrm{~m}} ) In has a ( 2 mu mathrm{g} ) mass. Given the physical half-life of ( { }^{113 mathrm{~m}} ) In is ( 1.7 ) hours. a) Calculate the number of ( { }^{113 mathrm{~m}} ) In atoms remain after ( 4.0 ) hours ( 8 marks) b) Determine the activity of the sample after 4 hours? Present your answe

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1 A sample of  ( { }^{113  mathrm{~m}}  ) In has a  ( 2  mu  mathrm{g}  ) mass. Given the physical half-life of  ( { }^{113  mathrm{~m}}  ) In is  ( 1.7  ) hours. a) Calculate the number of  ( { }^{113  mathrm{~m}}  ) In atoms remain after  ( 4.0  ) hours ( 8 marks) b) Determine the activity of the sample after 4 hours? Present your answer in a unit of  (  mathrm{Ci}  ). (7 marks) c) Calculate the specific activity of the sample after 4 hours (5 marks)

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Solution for -      1 A sample of  ( { }^{113  mathrm{~m}}  ) In has a  ( 2  mu  mathrm{g}  ) mass. Given the

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(Solved): 1 A sample of \( { }^{113 \mathrm{~m}} \) In has a \( 2 \mu \mathrm{g} \) mass. Given the ...

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