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NEET 2003 Chemistry question

ChemistryChemical KineticsNEET 2003

The radioisotope, tritium () has a half-life of 12.3 years. If the initial amount of tritium is 32 mg, how many milligrams of its would remain after 49.2 years :

Answer: (2)

Solution

Number of half-lives . Amount left N_0($ =

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Question ID VK-089223