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January 30, 2015

January 30, 2015

Posted by **ARIANA** on Wednesday, March 14, 2012 at 11:32pm.

Please help. I do not know how to do this question.

- CHEM -
**DrBob222**, Wednesday, March 14, 2012 at 11:55pmk = 0.693/t

_{1/2}

Calculate k and substitute into the equation below.

ln(No/N) = kt

For No use 1000 g

For N use .001 g

k from above.

Solve for t in years.

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