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April 21, 2014

Homework Help: Chemistry(Please check)

Posted by Hannah on Sunday, February 19, 2012 at 11:21pm.

The initial concentration of a reactant in a first order reaction is 0.620 molar. What will be its concentration after 3 half-lives?

I did 0.620 -> 0.31 ->0.155

0.155M will be the concentration. Is this correct?

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