Introductory Chemistry (5th Edition)

by Tro, Nivaldo J.

Published by Pearson

ISBN 10: 032191029X

ISBN 13: 978-0-32191-029-5

Chapter 17 - Radioactivity and Nuclear Chemistry - Exercises - Cumulative Problems - Page 640: 95

Answer

68.38% of his total exposure is due to Radon.

Work Step by Step

Total exposure = 0.585 rem radiation from Radon per year = 0.400 rem Hence, percentage exposure due to Radon = $\frac{0.400}{0.585}$$\times$100% = 68.376 $\approx$ 68.38%

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