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Manganese-56 is a beta emitter with a half-life of 2.6 hours. What is the mass of
manganese-56 in a 8.0 g sample of the isotope at the end of 13 hours?

Respuesta :

Answer:

0.0009765625

Explanation: u just keep doing a half life till it goes to 13 aka

8.0g divided by 2  till you reach to 13 times of a half life ;p

jambalamx

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