Gce Model Questions Vol1 2025 Chemistry Question 8

Practice essay / theory question 8 from the 2025 Gce Model Questions Vol1 Chemistry examination. This question covers Solubility, Solubility Product, Common‑Ion Effect, Temperature Effect .

Gce Model Questions Vol1 2025 Chemistry Essay / Theory
Topics: Solubility Solubility Product Common‑Ion Effect Temperature Effect
Question 8 GCE_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • essay

Calcium fluoride, CaF₂, is a sparingly soluble salt with a solubility product Ksp = 1.46 × 10⁻¹⁰ at 25 °C.

Question Parts

( a )
Write the expression for the solubility product of CaF₂.
( b )
Calculate the molar solubility (s) of CaF₂ in pure water at 25 °C.
( c )
A solution is prepared by dissolving 0.10 mol of NaF in 1.00 L of water. Determine the maximum amount (in grams) of CaF₂ that can be added to this solution before precipitation of CaF₂ begins.
( d )
The solution is now heated to 35 °C, at which temperature the Ksp of CaF₂ increases to 2.5 × 10⁻¹⁰. Assuming the solution remains saturated with respect to CaF₂, answer the following:

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About This Question

This is Gce Model Questions Vol1 2025 Chemistry Question 8. It is one of the essay questions from the 2025 Gce Model Questions Vol1 Chemistry examination.

The question covers Solubility, Solubility Product, Common‑Ion Effect, Temperature Effect .

View More Gce Model Questions Vol1 2025 Chemistry Questions More Gce Model Questions Vol1 Practice Questions Back to Questions

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