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Chapter 15: Q84E (page 877)

Question:A saturated solution of a slightly soluble electrolyte in contact with some of the solid electrolyte is said to be a system in equilibrium. Explain. Why is such a system calling a heterogeneous equilibrium?

Short Answer

Expert verified

Since we have a saturated solution, no more electrolytes can be dissolved in it. Once we add the solid electrolyte, at equilibrium reactants and products will have two different phases (solution phase and solid phase), hence, the system is called a heterogeneous equilibrium.

Step by step solution

01

Define Heterogeneous equilibrium:

A system is in equilibrium when a saturated solution of a barely soluble electrolyte comes into contact with some of the solid electrolyte.

Let us explain why this system is called a heterogeneous equilibrium.

- Heterogeneous equilibrium - a system in which reactants and products are found in two or more phases

Since we have a saturated solution, no more electrolytes can be dissolved in it. Once we add the solid electrolyte, at equilibrium reactants and products will have two different phases (solution phase and solid phase), hence, the system is called a heterogeneous equilibrium.

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