A 100 10-6-g sample of nobelium 254 no has a half-life of


A 1.00 × 10-6-g sample of nobelium, 254 No, has a half-life of 55 seconds after it is formed. What is the percentage of 254 /102No remaining at the following times?

5.0 min after it forms

1.0 h after it forms

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Chemistry: A 100 10-6-g sample of nobelium 254 no has a half-life of
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