Radioactive isotopes often occur together in mixtures

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Radioactive isotopes often occur together in mixtures. Suppose a 290g sample contains 131Ba, with a half-life of 12 days, and 47Ca, with a half-life of 4.5 days.

If there are initially twice as many calcium atoms as there are barium atoms, what will be the ratio of calcium atoms to barium atoms 2.30 weeks later?

Reference no: EM13551601

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