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Iodine-131 is a radioactive isotope with a half-life of 8 days. how many grams of a 64 g sample of iodine-131 will remain at the end of 24 days? select one: a. 48 g b. 8 g c. 56…
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Iodine-131 is a radioactive isotope with a half-life of 8 days. how many grams of a 64 g sample of iodine-131 will remain at the end of 24 days? select one: a. 48 g b. 8 g c. 56…
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Nov 14, 2018
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Iodine-131 is a radioactive isotope with a half-life of 8 days. how many grams of a 64 g sample of iodine-131 will remain at the end of 24 days? select one:
a. 48 g
b. 8 g
c. 56 g
d. 32 g
Chemistry
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T= 8 d
m₁=64 g
t=24 d
m₂-?
n=t/T
n=24/8=3
m₂=64/2ⁿ
m₂=64/2³=8 g
b. 8 g
JHeth
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Nov 18, 2018
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