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Posted by on Tuesday, December 11, 2012 at 11:19pm.

Potassium-42 has a half life of 12.4 hours. How much of an 848 g sample of potassium-42 will be left after 62.0 hours?
Please help me!!

  • Chemistry - , Tuesday, December 11, 2012 at 11:38pm

    We prefer if you keep the same screen name. Look at your other radioisotope problems.

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