truluv096 truluv096
  • 20-05-2018
  • Chemistry
contestada

A radioactive isotope of potassium (K) has a half-life of 20 minutes. If a 40.0 gram sample of this isotope is allowed to decay for 80 minutes, how many grams of the radioactive isotope will remain?

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jeremytinsley4605 jeremytinsley4605
  • 24-04-2019

Answer: 2.5 grams

Explanation:

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naomitribehg naomitribehg
  • 03-03-2020

Answer:

A

Explanation:

A

Answer Link

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