Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 4 - Reactions in Aqueous Solution - Exercises - Page 160: 4.71b

Answer

1.3x10^-2 M Mg2+ and 1.3x10^-2 M (SO4)2-

Work Step by Step

MgSO4 will break up into Mg2+ and (SO4)2-. For each mole of MgSO4, there will be one mole of Mg2+ and one mole of (SO4)2-. Therefore, if we have 1.3x10^-2 M or 1.3x10^-2 mol/L MgSO4 then you will have 1.3x10^-2 M Mg2+ and 1.3x10^-2 M (SO4)2-.

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