A raioactive sample contains `2.2 mg` of pure `._(6)^(11)C` which has half-life period of `1224` seconds. Calculate (i) the number of atoms present initially (ii) the activity when `5 mu g` of the sample will be left.
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A radioactive sample contains 2.2 mg of pure ._6C^(11) , which has a life period of 1224s. Calculate (i) number of atoms present initially. (ii) the activity when 5 mu g of the sample will be left.
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