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Multiple choice

Given N0 = 1g . Calculate how many half lives N will be equal to 0.25g?

  1. 2

  2. 1

  3. 3

  4. 4

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This has been calculated as under: N = N0/2n2n = 1/0.25 = 4so n = 2

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