15.89 For each of the following, write the equilibrium expression for Ksp: (b) Ag3PO4 (d) Ca5(PO4)30H (a) Ca(OH)2 (c) BaCO3

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## Equilibrium Expressions for Ksp

### 15.89
**For each of the following, write the equilibrium expression for Ksp:**

(a) **Ca(OH)₂**

(b) **Ag₃PO₄**

(c) **BaCO₃**

(d) **Ca₅(PO₄)₃OH**

### 15.90
A particular saturated solution of PbI₂ has \([Pb^{2+}] = 5.0 \times 10^{-3} M\) and \([I^-] = 1.3 \times 10^{-3} M\).

- (a) What is \([I^-]\) in a saturated solution of PbI₂ that has \([Pb^{2+}] = 2.5 \times 10^{-4} M\)?

- (b) What is the value of \(K_{sp}\) for PbI₂?

- (c) What is \([Pb^{2+}]\) in a saturated solution of PbI₂ that has \([I^-] = 2.5 \times 10^{-4} M\)?

### 15.91
A particular saturated solution of Ca₃(PO₄)₂ has \([PO_4^{3-}] = 2.9 \times 10^{-7} M\).

- (a) What is \([Ca^{2+}]\) in a saturated solution that has \([PO_4^{3-}] = 0.010 M\)?

- (b) What is the value of \(K_{sp}\) for Ca₃(PO₄)₂?

- (c) What is \([PO_4^{3-}]\) in a saturated solution of Ca₃(PO₄)₂ that has \([Ca^{2+}] = 0.010 M\)?

### 15.92
If a saturated solution prepared by dissolving Ag₂CO₃ in water has \([Ag^+]\) = 2.5 \times 10^{-4} M, what is the value of \(K_{sp}\)?

---

This section presents problems related to the equilibrium expressions for the solubility product constant \(K_{sp}\). It involves calculations to determine ion concentrations in saturated solutions and finding \(K_{sp}\) values for various compounds.
Transcribed Image Text:## Equilibrium Expressions for Ksp ### 15.89 **For each of the following, write the equilibrium expression for Ksp:** (a) **Ca(OH)₂** (b) **Ag₃PO₄** (c) **BaCO₃** (d) **Ca₅(PO₄)₃OH** ### 15.90 A particular saturated solution of PbI₂ has \([Pb^{2+}] = 5.0 \times 10^{-3} M\) and \([I^-] = 1.3 \times 10^{-3} M\). - (a) What is \([I^-]\) in a saturated solution of PbI₂ that has \([Pb^{2+}] = 2.5 \times 10^{-4} M\)? - (b) What is the value of \(K_{sp}\) for PbI₂? - (c) What is \([Pb^{2+}]\) in a saturated solution of PbI₂ that has \([I^-] = 2.5 \times 10^{-4} M\)? ### 15.91 A particular saturated solution of Ca₃(PO₄)₂ has \([PO_4^{3-}] = 2.9 \times 10^{-7} M\). - (a) What is \([Ca^{2+}]\) in a saturated solution that has \([PO_4^{3-}] = 0.010 M\)? - (b) What is the value of \(K_{sp}\) for Ca₃(PO₄)₂? - (c) What is \([PO_4^{3-}]\) in a saturated solution of Ca₃(PO₄)₂ that has \([Ca^{2+}] = 0.010 M\)? ### 15.92 If a saturated solution prepared by dissolving Ag₂CO₃ in water has \([Ag^+]\) = 2.5 \times 10^{-4} M, what is the value of \(K_{sp}\)? --- This section presents problems related to the equilibrium expressions for the solubility product constant \(K_{sp}\). It involves calculations to determine ion concentrations in saturated solutions and finding \(K_{sp}\) values for various compounds.
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