The radioactive potassium-40 isotope decays to argon-40 with a half-life of 1.2 109 yr. (a) Write

Question:

The radioactive potassium-40 isotope decays to argon-40 with a half-life of 1.2 × 109 yr.
(a) Write a balanced equation for the reaction.
(b) A sample of moon rock is found to contain 18 percent potassium-40 and 82 percent argon by mass. Calculate the age of the rock in years.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Chemistry

ISBN: 978-0077274313

10th edition

Authors: Raymond Chang

Question Posted: