Question

How long will it take a sample of I-131 to decay to 12.5% assuming it's half-life is 8.07 days?

Answer 1

Answer:

If you take A0 to be the initial sample of iodine-131, you will be left with. 12⋅A0=A02→ ... m24 hours=12.5%mo=12.5⋅10−2⋅mo

Explanation:

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