February 28, 2017

Homework Help: chemistry

Posted by L on Saturday, February 4, 2012 at 9:02pm.

Radioactive materials are often used in biological studies. A radiation biologist studies the rate of decomposition of a certain substance and obtains the following data:
Time(days) 0 4.0 8.0 12.0 16.0
Mass (μg) 15.50 10.90 7.67 5.39 3.79
Determine the rate constant in units of day^(-1).

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