Answer to Question #288955 in General Chemistry for Kathy

General Chemistry

Question #288955

How long did it take for 100 mg of P-32 to decay until only 25 mg remain unchanged?

Expert's answer

$100\to50\to25$

Therefore, it requires two, 2, half-lives for P-32 to decay to 25mg.

Let half life=x

The days it will take to decay to 25mg=2(x)=2xdays

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