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You have discovered a new radioisotope 19X with half life of 14.2 days. How long would it take a solution containing 42000 dpm to decay to 500 dpm?You have discovered a new radioisotope 19X with half life of 14.2 days. How long would it take a solution containing 42000 dpm to decay to 500 dpm? You have discovered a new radioisotope 19X with half life of 14.2 days. How long would it take a solution containing 42000 dpm to decay to 500 dpm?You have discovered a new radioisotope 19X with half life of 14.2 days. How long would it take a solution containing 42000 dpm to decay to 500 dpm?
Dear student,The formula to be used goes as follows:Also, we know:thus,
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