Gce Model Questions Vol1 2022 Chemistry Question 29

Practice objective / multiple choice question 29 from the 2022 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2022 Chemistry Objective / Multiple Choice Medium Difficulty
Question 29 GCE_MODEL_QUESTIONS_VOL1 • 2022 • CHEMISTRY • objective

The solubility product of AgCl at 25 °C is \(K_{sp}=1.77\times10^{-10}\). In pure water its solubility is \(1.33\times10^{-5}\) mol L\(^{-1}\). Calculate the solubility of AgCl in a solution that already contains 0.010 mol L\(^{-1}\) NaCl, and determine the percentage decrease in solubility relative to pure water.

Answer Options

A. Solubility ≈5.0×10⁻⁸ mol L⁻¹; decrease ≈97.2 %
B. Solubility ≈2.5×10⁻⁹ mol L⁻¹; decrease ≈99.9 %
C. Solubility ≈1.2×10⁻⁷ mol L⁻¹; decrease ≈92.5 %
Correct Answer D. Solubility ≈1.8×10⁻⁸ mol L⁻¹; decrease ≈99.9 %
Correct Answer
D
Correct Option:
Solubility ≈1.8×10⁻⁸ mol L⁻¹; decrease ≈99.9 %

About This Question

This is Gce Model Questions Vol1 2022 Chemistry Question 29. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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