2. If the half-life of Francium-233 is 22 minutes, how much time must elapse in order for 60 grams of a 64 gram sample to undergo deca

Question

2. If the half-life of Francium-233 is 22 minutes, how much time must elapse in order for 60 grams of a 64 gram
sample to undergo decay? In other words, after how many minutes will you only have 4 grams of the original isotope
remaining?

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Tài Đức 4 years 2021-08-16T03:27:00+00:00 1 Answers 52 views 0

Answers ( )

  1. thnahdat
    0
    2021-08-16T03:28:30+00:00
    Reply

    Answer:

    88 minutes

    Explanation:

    64 g  —> 32g  —> 16g  —> 8 g —> 4 g

    So in total, we have 4 half lives to reach 4.0 g

    therefore, 4 x 22 minutes = 88 minutes

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