Explore BrainMass
Share

Explore BrainMass

    Working with a radiactive material

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    The half life of Cl is 9.5 x 10(exponent 12)s. How many atoms of Cl are present in a sample with an activity of 1.5 x 10(exponent 9) atoms/s

    a. 2.1 x 10(exponent 22) atoms
    b. 6.3 x 10(exponent 3) atoms
    c. 4.9 x 10(exponent negative 23) atoms
    d. 1.4 x 10(exponent 22) atoms
    e. 7.0 x 10(exponent 23) atoms

    © BrainMass Inc. brainmass.com October 9, 2019, 3:35 pm ad1c9bdddf
    https://brainmass.com/chemistry/inorganic-chemistry/working-radioactive-material-7573

    Solution Preview

    Half life t_1/2 = 9.5 x 10^12 s

    means, in this time, the radioactive material will have reduced to half its original ...

    Solution Summary

    The solution explains each step and provides all mathematical steps.

    $2.19