Neco 2020 Chemistry Question 35

Practice objective / multiple choice question 35 from the 2020 Neco Chemistry examination.

Neco 2020 Chemistry Objective / Multiple Choice Medium Difficulty
Question 35 NECO • 2020 • CHEMISTRY • objective
Neco 2020 Chemistry Question 35 diagram

The solubility of AgCl in pure water at \(25^{\circ}\mathrm{C}\) is \(1.33\times10^{-5}\ \text{mol·L^{-1}}\). (a) Calculate the solubility of AgCl in a solution that already contains \(0.10\ \text{M}\) NaCl. (b) If the temperature is raised to \(35^{\circ}\mathrm{C}\) and the solubility product \(K_{sp}\) increases by 20 %, determine the new solubility of AgCl in the same 0.10 M NaCl solution.

Answer Options

A. a) 1.20×10⁻⁹ mol L⁻¹; b) 1.44×10⁻⁹ mol L⁻¹
B. a) 2.00×10⁻⁹ mol L⁻¹; b) 2.40×10⁻⁹ mol L⁻¹
Correct Answer C. a) 1.77×10⁻⁹ mol L⁻¹; b) 2.12×10⁻⁹ mol L⁻¹
D. a) 3.33×10⁻⁶ mol L⁻¹; b) 4.00×10⁻⁶ mol L⁻¹
Correct Answer
C
Correct Option:
a) 1.77×10⁻⁹ mol L⁻¹; b) 2.12×10⁻⁹ mol L⁻¹

About This Question

This is Neco 2020 Chemistry Question 35. It is one of the objective questions from the 2020 Neco Chemistry examination.

Difficulty level: Medium .

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