Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 13 - Properties of Solutions - Exercises: 13.40b

Answer

7.9 ppm

Work Step by Step

There are 0.0079g of Sr2+ per kilogram of water. 1kg is 1000 grams so we have (0.0079g Sr 2+ / 1000g water) ppm is parts per million or parts per 10^6 so we set up a ratio: (0.0079g Sr 2+ / 1000g water) = x / 1 x 10^6 g water and solve for x, x = 7.9 g or 7.9ppm
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