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April 18, 2015

Posted by **Anonymous** on Thursday, October 14, 2010 at 4:06pm.

- Chemistry -
**DrBob222**, Thursday, October 14, 2010 at 4:32pmFirst determine k.

k = 0.593/t^{1/2}, then substitute the value of k into the equation below.

ln(256/N) = k(100)

Solve for N in grams.

- Chemistry -
**Anonymous**, Thursday, October 14, 2010 at 4:40pmThanks so much!

- corr'n--typos--Chemistry -
**DrBob222**, Thursday, October 14, 2010 at 4:56pmI made two typos. k = 0.693/t

_{1/2}

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