trinityrust2005 trinityrust2005
  • 23-10-2020
  • Chemistry
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A sample originally contained 1.28 g of a radioisotope. It now contains 1.12 g of its daughter isotope.
How many half-lives have passed since the sample originally formed?

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zerotwo866
zerotwo866 zerotwo866
  • 23-10-2020

Answer:

3

Explanation:

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