# Chemistry Class-11: Chapter –7. Equilibrium Part – 6

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**Question: 32**

Of solution is . Calculate its ionisation constant.

**Answer:**

But,

For weak mono basic acid

**Question: 33**

Calculate the of a solution formed by mixing equal volumes of two solutions A and B of a strong acid having and respectively.

**Answer:**

of Solution

Therefore, concentration of in solution

of Solution

Therefore, Concentration of concentration of solution

On mixing one litre of each solution, total volume

Amount of in of Solution

Amount of in of solution

Total amount of in the solution formed by mixing solutions A and B is

This amount is present in solution.

Total

**Question: 34**

The solubility product of is . Calculate its solubility in and also find out of this solution. .

**Answer:**

Let S be the solubility of

(i) **Solubility of**

Molar mass of . Therefore,

Solubility of

(ii) **of the solution**