One of the hazards of nuclear explosion is the generation of 90Sr and its subsequent incorporation in bones. This nuclide has a half-life of 28.1 years. suppose one microgram (10−6g) was absorbed by a new-born child, how much 90Sr will remain in his bones after 20 years?
0.6107μg
0.1107μg
0.7107μg
None of these
A
None of these
B
0.6107μg
C
0.1107μg
D
0.7107μg
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Solution
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t50=28.1 years λ=2.303tlogC0C 0.693t50=2.303tlogC0C 0.69328.1=2.30320log1×10−6C C=0.6107×10−6g =0.6107μg
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Q1
One of the hazards of nuclear explosion is the generation of 90Sr and its subsequent incorporation in bones. This nuclide has a half-life of 28.1 years. suppose one microgram (10−6g) was absorbed by a new-born child, how much 90Sr will remain in his bones after 20 years?
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One of the hazards of the nuclear explosion is the generation of 90Sr and its subsequent incorporation in bones. This nuclide has a half-life of 28.1 years. Suppose one microgram was absorbed by a new-born child, how much 90Sr will remain in his bones after 20 years?
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was absorbed in the bones of a newly born baby instead of calcium,
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