Asked by Nic

The half-life of Th-232 is 1.4E10. Find the number of disintegrations per hour emitted by 1 mol of Th-232.

Answers

Answered by bobpursley
1.4E10 what unit? days, hours, seconds?
Answered by DrBob222
k = 0.693/t<sub>1/2</sub> = approx 4.95E-11

Rate at time zero = k*N and for 1 mol Th, N will be 6.02E23 atoms.
Solve for R, which will be in disintegrations/year . Convert that to d/hour.
Answered by Sandy
years
Answered by DrBob222
The assumption for my response was years.
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