阿摩線上測驗
登入
阿摩線上測驗
登入
2. The mass percent of carbon in a typical human is 18 %, and the mass percent of 14C in natural carbon is 1.6✕10-10 %. Assuming a 200-lb person, how many decay events per second occur in this person due exclusively to β-decay of 14C (for 14C, t1/2 = 5730 years; 1 lb = 0.454 kg)