. Radio-isotopes of di erent elements have di erent half-lives. Magnesium-27 has a half-life of9:45 minutes. What percentage of a given init

Question

. Radio-isotopes of di erent elements have di erent half-lives. Magnesium-27 has a half-life of9:45 minutes. What percentage of a given initial amount of magnesium-27 will remain afteran hour?(Round your answer to two decimal places.

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Mộc Miên 4 years 2021-08-28T08:00:14+00:00 2 Answers 35 views 0

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  1. King
    0
    2021-08-28T08:01:20+00:00
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    Explanation:

    Below is an attachment containing the solution.

  2. kimchi2
    0
    2021-08-28T08:02:12+00:00
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    Answer:

    16.25% after an hour…

    Explanation:

    Half life of Magnesium-27 = 9:45 minutes = 585 seconds

    As 1 hour = 3600 s So,

    Concentration after an hour = (585 / 3600) x 100 = 16.25%

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