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A 54.3 mg sample of sodium perchlorate contains radioactive chlorine-36 (whose atomic mass is 36.0 amu). If...

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Chemistry

A 54.3 mg sample of sodium perchlorate contains radioactivechlorine-36 (whose atomic mass is 36.0 amu).

If 29.6% of the chlorine atoms in the sample are chlorine-36 andthe remainder is naturally occurring nonradioactive chlorine atoms,how many disintegrations per second are produced by this sample?The half-life of chlorine-36 is 3.0×105 yr.

My answer: 1.77x10^7

please explain steps, thank you!

Answer & Explanation Solved by verified expert
4.2 Ratings (516 Votes)
No of moles of NaClO4 given weightmolecular weight 543 103g 1225 gmol 0443 moles In one mole of NaClO4 1 mole of chlorine atoms are    See Answer
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