Manganese-52 has a half-life of 6 days. How many days would a scientist have to wait for the radioactivity to be 12.5% the starting amount?

Question

Manganese-52 has a half-life of 6 days. How many days would a scientist have to wait for the radioactivity to be 12.5% the starting amount?

in progress 0
Trung Dũng 4 years 2021-07-29T03:38:05+00:00 2 Answers 59 views 0

Answers ( )

  1. Edana
    0
    2021-07-29T03:39:09+00:00
    Reply

    Answer:

    Let N = N0 where N0 is the number of atoms originally present.

    In 6 days    N = N0 / 2

    In 12 days   N = N0 / 4

    In 18 days   N = N0 / 8    = .125 N0

    So it would take 18 days.

  2. yenoanh
    0
    2021-07-29T03:39:22+00:00
    Reply

    Answer:

    18 Days

    Explanation:

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )