February 27, 2017

Homework Help: Chemistry

Posted by TlP on Monday, May 12, 2014 at 6:26pm.

Suppose a patient is given 140mg of I−131, a beta emitter with a half-life of 8.0 days.

Assuming that none of the I−131 is eliminated from the person's body in the first 4.0 hours of treatment, what is the exposure (in Ci) during those first four hours?

Express your answer using two significant figures.

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