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Posted by **monique n** on Wednesday, December 8, 2010 at 6:37pm.

- chemistry -
**DrBob222**, Wednesday, December 8, 2010 at 7:41pmk = 0.693/t1/2

Sustitute into the equation below.

ln(No/N) = kt

No is 200.0g

N = what remains.

t is 32 days.

- chemistry -
**monique n**, Wednesday, December 8, 2010 at 8:40pmhow did you get .693?

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