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April 16, 2014

April 16, 2014

Posted by **Matthew** on Tuesday, December 11, 2012 at 10:57pm.

- Chemistry -
**DrBob222**, Tuesday, December 11, 2012 at 11:10pmln(No/N) = kt

No = 100g

N = 12.5g

k = solve for this

t = 21.6 sec

Then Substitute k into

k = 0.693/t_{1/2}and solve for t_{1/2}

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