The data tabulated below were generated from an experiment initially containing pure ammonium cyanate (NH4OCN). It is known that such concentration changes can be modeled by the following equation:
c = c0 / 1 +kc0t
where c0 and k are parameters. Use a transformation to linearize this equation. Then use linear regression to predict the concentration at t = 160 min.

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t (min) c Imole/L 0.381 0.264 0.180 0.151 0.086 20 30 65 150