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A radioactive isotope having a half-life of 3 days was received after 12 days. It was found that there were 3 g of the isotope in the container. The initial weight of the isotope when packed was |
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Answer» Solution :`n = (12)/(3) = 4` `:. N_(0) = N xx 2^(n) = 3 xx 2^(4) = 48 g` |
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