The equilibrium for the precipitation of CaCO3 from its ions in solution is 2.2 x 10*8. Ca+2 (aq) + CO3 (ag) <--> CACO3(s). What is the equilibrium constant for the reverse of this equation, where CaCO3 dissolves in water to form ions? Oa. 2.2 x 10-8 Ob. 4.5 x 10+9 Oc. C. 2.2 x 10-8 Od. 4.5 x 10-9

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The equilibrium for the precipitation of CaCO₃ from its ions in solution is 2.2 x 10⁸.

\[ \text{Ca}^{+2} (aq) + \text{CO}_3^{-2} (aq) \leftrightarrow \text{CaCO}_3 (s) \]

What is the equilibrium constant for the reverse of this equation, where CaCO₃ dissolves in water to form ions?

Options:
- a. \(2.2 \times 10^{-8}\)
- b. \(4.5 \times 10^{9}\)
- c. \(2.2 \times 10^{-8}\)
- d. \(4.5 \times 10^{-9}\)
- e. \(-2.2 \times 10^{+8}\)
Transcribed Image Text:The equilibrium for the precipitation of CaCO₃ from its ions in solution is 2.2 x 10⁸. \[ \text{Ca}^{+2} (aq) + \text{CO}_3^{-2} (aq) \leftrightarrow \text{CaCO}_3 (s) \] What is the equilibrium constant for the reverse of this equation, where CaCO₃ dissolves in water to form ions? Options: - a. \(2.2 \times 10^{-8}\) - b. \(4.5 \times 10^{9}\) - c. \(2.2 \times 10^{-8}\) - d. \(4.5 \times 10^{-9}\) - e. \(-2.2 \times 10^{+8}\)
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