Neco Model Questions Vol1 2025 Chemistry Question 48

Practice objective / multiple choice question 48 from the 2025 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2025 Chemistry Objective / Multiple Choice Medium Difficulty
Question 48 NECO_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • objective

The solubility product of silver chloride at 25 °C is \(K_{sp}=1.8\times10^{-10}\). A solution is prepared by dissolving 0.010 mol of NaCl in 1.00 L of water, after which excess solid AgCl is added. If 0.050 g of solid AgCl is added, calculate the concentration of \(Ag^{+}\) ions at equilibrium and the mass of AgCl that remains undissolved.

Answer Options

A. [Ag⁺] = 9.0×10⁻⁹ M; undissolved AgCl ≈ 0.0500 g
B. [Ag⁺] = 1.8×10⁻⁸ M; undissolved AgCl ≈ 0.0250 g
C. [Ag⁺] = 3.6×10⁻⁸ M; undissolved AgCl ≈ 0.0500 g
Correct Answer D. [Ag⁺] = 1.8×10⁻⁸ M; undissolved AgCl ≈ 0.0500 g
Correct Answer
D
Correct Option:
[Ag⁺] = 1.8×10⁻⁸ M; undissolved AgCl ≈ 0.0500 g

About This Question

This is Neco Model Questions Vol1 2025 Chemistry Question 48. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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