Asked by Steven
A 25.40 g sample of water containing tritium,(3/1)H , emits 1450 beta particles per second. Tritium is a weak beta emitter, with a half-life of 12.3 yr. What fraction of all the hydrogen in the water sample is tritium?
Answers
Answered by
DrBob222
I would convert 12.3 years to seconds, then k = 0.693/t<sub>1/2</sub>.
rate = 1450 dps = kN
Solve for N = number of atoms.
Then determine the fraction that is of 25.40 g H2O H atoms. Remember H2O has two H atoms.
rate = 1450 dps = kN
Solve for N = number of atoms.
Then determine the fraction that is of 25.40 g H2O H atoms. Remember H2O has two H atoms.
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