Multiple Choice
The isotope of iodine with mass number 128 undergoes beta decay with a half-life of 25.00 minutes. How long will it take for 93.75% of a sample of pure 128 I to decay
A) 60.0 min
B) 80.0 min
C) 100. min
D) 120. min
E) None of the above
Correct Answer:

Verified
Correct Answer:
Verified
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