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Atoxic element is to be removed from drinking waterby adsorption on activated charcoal. At lowconcentrations, the rate constant for adsorption is1.8 x 10-5 5-1. The time required to reduce theconcentration of the toxic element to 10% of its initialconcentration is[NSEC 2017](1) 1.28 ~ 105 S(2) 5.85 x 103 s(3) 1.28 x 106 s |
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Answer» Atoxic element is to be removed from drinking water by adsorption on activated charcoal. At low concentrations, the rate constant for adsorption is 1.8 x 10-5 5-1. The time required to reduce the concentration of the toxic element to 10% of its initial concentration is [NSEC 2017] (1) 1.28 ~ 105 S (2) 5.85 x 103 s (3) 1.28 x 106 s |
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