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Posted by on Friday, July 11, 2014 at 8:23pm.

A half-life of mercury-195 is 31 hours. If you start with a sample of 5.00g of pure mercury-195, how much of it will still be present after 93 hours?

  • science - , Friday, July 11, 2014 at 10:32pm

    three half lives?

    what is 5*1/2*1/2*1/2 ?

  • science - , Monday, November 9, 2015 at 11:56pm

    0.625

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