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# What is the solubility product of calcium hydroxide?

## What is the solubility product of calcium hydroxide?

The solubility product constant for Ca(OH)₂ is 5.5 × 10⁻⁶.

## What is the Ksp value of calcium hydroxide?

6.5 × 10–6
8 The approximate value of the Ksp for calcium hydroxide is 6.5 × 10–6, so calculate a rough value of the concentration of OH– ion, [OH–], in the saturated solution (see prelab question on WebAssign; to two significant figures). 9 Prepare a solution of HCl to use as your titrant.

How do you find the solubility product of calcium hydroxide?

Since the concentration of the solid Ca (OH) 2 is a constant, it maybe included in the Keq for the reaction, and a new constant Ksp, the Solubility Product, is obtained. Thus for Calcium Hydroxide: Ksp = [Ca2+ (aq)] [OH-(aq)] 2 Every substance that forms a saturated solution will have a Ksp.

### Does calcium hydroxide have high solubility?

Properties. Calcium hydroxide is poorly soluble in water with a retrograde solubility increasing from 0.66 g/L at 100 °C to 1.89 g/L at 0 °C.

### Why does the solubility of calcium hydroxide decrease with temperature?

The solubility of calcium hydroxide decreases with increasing temperatures. This happened because of Le Chatelier’s principle.

Does higher Ksp mean higher solubility?

The solubility product constant (Ksp) describes the equilibrium between a solid and its constituent ions in a solution. The value of the constant identifies the degree to which the compound can dissociate in water. The higher the Ksp, the more soluble the compound is.

## How does temperature affect solubility of calcium hydroxide?

The solubility of calcium hydroxide decreases with rising temperature, being about 4 percent higher at 20° than at 25° C, and 4 percent lower at 30°.

## How do you calculate solubility product?

In this case, we calculate the solubility product by taking the solid’s solubility expressed in units of moles per liter (mol/L), known as its molar solubility. The concentration of Ca2+ in a saturated solution of CaF2 is 2.1 × 10–4 M; therefore, that of F– is 4.2 × 10–4 M, that is, twice the concentration of Ca2+.

Why does the solubility of calcium hydroxide decrease as temperature increases?

### Why is calcium hydroxide not soluble in water?

The exothermic reaction with water yields enough energy to evaporate the water. Ca(OH)2 is only slightly soluble in water (0.16g Ca(OH)2/100g water at 20°C) forming a basic solution called lime water. The solubility decreases with increasing temperature.

### Does solubility of calcium hydroxide increase with temperature?

Ca(OH)2 is only slightly soluble in water (0.16g Ca(OH)2/100g water at 20°C) forming a basic solution called lime water. The solubility decreases with increasing temperature.

How does solubility of calcium hydroxide vary with temperature?