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chemistry

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Mercury-197 is used for kidney scans and has a half-life of 3 days. if the amount of mercury-197 needed for a study is 1.0 grams and the time allowed for shipment is 15 days, how much mercury-197 will need to be ordered.

  • chemistry - ,

    That is five half-lives

    amount needed=1*2^5=32 grams

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