Question #143638
The half-life of chromium-51 is 28 days. If the sample contained 510
grams, how much chromium would remain after 56 days? How much
would remain after 1 year?
1
Expert's answer
2020-11-11T10:34:53-0500

Using At = 2-time/half life × initial concentration

When t= 56 days

At = 2-56/28 × 510 grams

At = 127.5grams


When t= 1year = 365days

At =2-365/28 × 510

At = 0.06 grams


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