Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 17 Principles of Chemical Reactivity: Other Aspects of Aqueous Equilibria - 17-4 Solubility of Salts - Review & Check for Section 17-4 - Page 666: 1


$(b) [Ag^+]^2[C{O_3}^{2-}]$ is the correct answer.

Work Step by Step

1. Write the solubility equation of $Ag_2CO_3$ , and balance it: $Ag_2CO_3(s) \lt -- \gt Ag^+(aq) + C{O_3}^{2-}(aq)$ $1Ag_2CO_3(s) \lt -- \gt 2Ag^+(aq) + 1C{O_3}^{2-}(aq)$ 2. Now, write the $K_sp$ expression: - It will be the multiplication of the concentrations of the ions. $K_{sp} = [Ag^+][C{O_3}^{2-}]$ - Remember: the balance coefficient will be the exponent of the concentration: $K_{sp} = [Ag^+]^2[C{O_3}^{2-}]^1$ $K_{sp} = [Ag^+]^2[C{O_3}^{2-}]$
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