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27-05-2023
Chemistry

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iodine-125 has a half-life of about 60 days. how many milligrams of a 500 mg sample will remain after 300 days? responses 0.6 mg 0.6 mg 7.8125 mg 7.8125 mg 15.625 mg 15.625 mg 31.25 mg 31.25 mg

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