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September 4, 2015

Homework Help: A.P. Chemistry

Posted by John on Thursday, April 25, 2013 at 11:38am.

Thorium-232 undergoes alpha decay and has a half-life of 1.4 * 10^10 years. How long will it take for a 1.00mg sample of thorium-232 to be reduced to 0.5mg?

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