An archaeologist discovered some charcoal at an excavation site. He sent the samples to a lab for C-14 dating, knowing that the half-life of C-14 is approximately 5,600 years. The lab reported that the charcoal had 1/8 the amount of C-14 in it that a living sample would have. How many years old

was the charcoal?

A. 700 years

B. 1,867 years

C. 8,400 years

D. 16,800 years

E. 44,800 years

Question

Chemistry

Heather Castaneda

22 December, 05:47

An archaeologist discovered some charcoal at an excavation site. He sent the samples to a lab for C-14 dating, knowing that the half-life of C-14 is approximately 5,600 years. The lab reported that the charcoal had 1/8 the amount of C-14 in it that a living sample would have. How many years old

was the charcoal?

A. 700 years

B. 1,867 years

C. 8,400 years

D. 16,800 years

E. 44,800 years

+4

Answers (1)

Know the Answer?

Gabrielle Simon · Answer 1

Here we assume that disintegration has occur so the normal t½ formular will not be used

mathematically we ... ⅛*5600 = 700

therefore it is about 700years option A