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August 28, 2014

Homework Help: chemistry

Posted by Derren on Saturday, February 18, 2012 at 11:47pm.

The initial concentration of the a substance was 1.95 M. After 27.72 hours the concentration was 0.9750 M. After anothers 55.44 hours the concentration was 0.4875 M (total time = 83.16 hours).

If another experiment were conducted in which the initial concentration was 0.427 M, how long would it take for the substance to reach a concentration 0.0213 M?

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