有没有人知道一些关于AP化学的问题啊?Bromine-82 has a half-life of 35.7 hours.how many milligrams of 82 Br will remain if 2.30g of 82Br decays for exactly 1week?

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有没有人知道一些关于AP化学的问题啊?Bromine-82 has a half-life of 35.7 hours.how many milligrams of 82 Br will remain if 2.30g of 82Br decays for exactly 1week?
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有没有人知道一些关于AP化学的问题啊?Bromine-82 has a half-life of 35.7 hours.how many milligrams of 82 Br will remain if 2.30g of 82Br decays for exactly 1week?
有没有人知道一些关于AP化学的问题啊?
Bromine-82 has a half-life of 35.7 hours.how many milligrams of 82 Br will remain if 2.30g of 82Br decays for exactly 1week?

有没有人知道一些关于AP化学的问题啊?Bromine-82 has a half-life of 35.7 hours.how many milligrams of 82 Br will remain if 2.30g of 82Br decays for exactly 1week?
0.088g
计算为(0.5^(24*7/35.7))*2.3=0.088g