?89IEA 53.8-mg sample of sodium perchlorate contains
Chapter , Problem 89IE(choose chapter or problem)
89IE
A 53.8-mg sample of sodium perchlorate contains radioacth/e chlorine-36 (whose atomic mass is 36.0 amu). If 29.6% of the chlorine atoms in the sample are chlorine-36 and the remainder are naturally occurring nonradbactive chlorine atoms, how many disintegrations per second are produced by this sample? The half-life of chlorine-36 is 3.0 x 105 yr.
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