Chemistry: The Central Science (13th Edition)

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

Chapter 18 - Chemistry of the Environment - Additional Exercises - Page 809: 18.77a


Since the carbonate ion is a stronger Lowry-Bronsted base compared to Magnesium, $CO_{3}^{2-}$ ion reacts with Hydrogen of water to form $H_{2}CO_{3}$ and $OH^{-}$ ion of water reacts with $Mg^{2+}$ ion to form $Mg(OH)_{2}$: $CO_{3}^{2-} (aq) + Mg^{2+} (aq) + 2H_{2}O → H_{2}CO_{3} + Mg(OH)_{2}$

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Given above.
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