The nuclide ⁹5Nb decays by beta emission with a half-life of 35.0 days. The mass of a ⁹5Nb atom is 94.907 u. (a) How many grams of ⁹5Nb are in a sample that has a decay rate from that nuclide of 321 s¯¹? g (b) After 114 days, how many grams of 95Nb remain?
The nuclide ⁹5Nb decays by beta emission with a half-life of 35.0 days. The mass of a ⁹5Nb atom is 94.907 u. (a) How many grams of ⁹5Nb are in a sample that has a decay rate from that nuclide of 321 s¯¹? g (b) After 114 days, how many grams of 95Nb remain?
Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.19E
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Transcribed Image Text:The nuclide ⁹5Nb decays by beta
emission with a half-life of 35.0 days.
The mass of a 95Nb atom is 94.907 u.
(a) How many grams of 95Nb are in a
sample that has a decay rate from that
nuclide of 321 s¹?
g
(b) After 114 days, how many grams of
95Nb remain?
g
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