A sample of wood that originally contained 100 grams of carbon-14 now contains only 25 grams of carbon-14. approximately how man

Question

tensa zangetsu [6.8K]

3 years ago

15

A sample of wood that originally contained 100 grams of carbon-14 now contains only 25 grams of carbon-14. approximately how man

y years ago was this sample part of a living tree?

Chemistry

1 answer:

BARSIC [14] · Answer 1 · 2022-03-03T13:34:21+03:00

BARSIC [14]3 years ago

6 0

In order for 100 grams of Carbon 14 to decay to 25 grams, 2 half lives worth of time would have passed.

<span>log(100/25) / log(2) = 2 half lives </span>

<span>2 * 5730 years = 11,460 years</span>