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Olympiad workbookNSECChemical Kinetics

A toxic element is to be removed from drinking water by adsorption on activated charcoal. At low concentrations, the rate constant for adsorption is 1.8 10⁻⁵ ~s ⁻¹ . The time required to reduce the concentration of the toxic element to 10 % of its initial concentration is

Options

  1. A1.28 10^5 ~s
  2. B5.85 10^3 ~s
  3. C1.28 10^6 ~s
  4. Dcannot be calculated from the given data.

Correct answer

A. 1.28 10^5 ~s

Step-by-step solution

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