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23 Nov 2019
A 59.5{\rm mg} sample of sodium perchlorate contains radioactive chlorine-36 (whose atomic mass is 36.0 {\rm amu}).If 29.6\% of the chlorine atoms in the sample are chlorine-36 and the 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 \times 10^5 {\rm yr}.
A 59.5{\rm mg} sample of sodium perchlorate contains radioactive chlorine-36 (whose atomic mass is 36.0 {\rm amu}).If 29.6\% of the chlorine atoms in the sample are chlorine-36 and the 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 \times 10^5 {\rm yr}.
Keith LeannonLv2
18 Mar 2019
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