The nucleus (15 8) O has a half-life of 122.2 s; (19 8) O has a half-life of 26.9 s. Assume that at some time a sample contains equal amounts of both isotopes. What is the ratio of (15 8) O to (19 8) O after 3.0 minutes?

The nucleus (15 8) O has a half-life of 122.2 s; (19 8) O has a half-life of 26.9 s. Assume that at some time a sample contains equal amounts of both isotopes. What is the ratio of (15 8) O to (19 8) O after 3.0 minutes?

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Question

The nucleus (15 8) O has a half-life of 122.2 s; (19 8) O has a half-life of 26.9 s. Assume that at some time a sample contains equal amounts of both isotopes.

What is the ratio of (15 8) O to (19 8) O after 3.0 minutes?

Expert Solution