Chemistry

In 6.20 h a 100 g sample of ag 112 decays to 25 grams. what is the half life of ag 112.

I think the answer is 3.10 but I'm not sure. Thanks in advance =)

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  1. Yes, the correct answer is 3.10.

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  2. Half life=6.50/2 ,,,, 6.50is the time elapsed .
    2 is number of half life's. 100 to 50 to 25 .so two half life's. answer is 3.10 hrs.

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  3. 3.10 hours is correct

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