Gce Model Questions Vol1 2017 Chemistry Question 8

Practice essay / theory question 8 from the 2017 Gce Model Questions Vol1 Chemistry examination. This question covers Solubility product (Ksp), Common ion effect, Le Chatelier’s principle, Temperature dependence of solubility .

Gce Model Questions Vol1 2017 Chemistry Essay / Theory
Topics: Solubility product (Ksp) Common ion effect Le Chatelier’s principle Temperature dependence of solubility
Question 8 GCE_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • essay

Silver chloride (AgCl) is a sparingly soluble salt. At 25 °C its solubility in pure water is 1.33 × 10⁻⁵ mol L⁻¹. Answer the following questions:

Question Parts

( a )
Calculate the solubility product constant (Ksp) of AgCl at 25 °C.
( b )
A solution is prepared that contains 0.010 mol L⁻¹ NaCl and 0.010 mol L⁻¹ AgNO₃. Determine whether a precipitate of AgCl will form. If precipitation occurs, calculate the equilibrium concentrations of Ag⁺ and Cl⁻ ions remaining in solution.
( c )
When the temperature is raised to 50 °C, the solubility of AgCl doubles. Assuming the solubility product varies as the square of the solubility, calculate the new Ksp at 50 °C and discuss how the change in temperature would affect the extent of precipitation in the solution described in part (b).
( d )
Explain qualitatively how the addition of a common ion and an increase in temperature influence the solubility of a sparingly soluble salt, citing the relevant principles.

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About This Question

This is Gce Model Questions Vol1 2017 Chemistry Question 8. It is one of the essay questions from the 2017 Gce Model Questions Vol1 Chemistry examination.

The question covers Solubility product (Ksp), Common ion effect, Le Chatelier’s principle, Temperature dependence of solubility .

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