Potassium-44 decays by beta emission with a half-life of 22 minutes. A 125mg sample of the isotope is allowed to decay for 88 minutes. What mass of K-44 in mg remains in the sample after the 88 minutes? a. 7.81mg b. 15.6mg c. 31.5mg d. 62.5mg e. no correct response
Potassium-44 decays by beta emission with a half-life of 22 minutes. A 125mg sample of the isotope is allowed to decay for 88 minutes. What mass of K-44 in mg remains in the sample after the 88 minutes? a. 7.81mg b. 15.6mg c. 31.5mg d. 62.5mg e. no correct response
Chapter8: Nuclear Chemistry
Section: Chapter Questions
Problem 8.3YT
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Potassium-44 decays by beta emission with a half-life of 22 minutes. A 125mg sample of the isotope is allowed to decay for 88 minutes. What mass of K-44 in mg remains in the sample after the 88 minutes?
a. 7.81mg
b. 15.6mg
c. 31.5mg
d. 62.5mg
e. no correct response
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