Neco Model Questions Vol1 2018 Chemistry Question 35

Practice objective / multiple choice question 35 from the 2018 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2018 Chemistry Objective / Multiple Choice Medium Difficulty
Question 35 NECO_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • objective

The solubility product of silver chloride at 25\,°C is K_{sp}=1.8\times10^{-10}. (a) Calculate the molar solubility of AgCl in pure water. (b) Calculate its molar solubility in a 0.10\,M NaCl solution, assuming the common‑ion effect. Give answers in scientific notation with two significant figures.

Answer Options

Correct Answer A. s = 1.3\times10^{-5}\,M; in 0.10\,M NaCl, s = 1.8\times10^{-9}\,M
B. s = 1.3\times10^{-5}\,M; in 0.10\,M NaCl, s = 3.6\times10^{-9}\,M
C. s = 2.2\times10^{-5}\,M; in 0.10\,M NaCl, s = 9.0\times10^{-9}\,M
D. s = 9.5\times10^{-6}\,M; in 0.10\,M NaCl, s = 1.8\times10^{-8}\,M
Correct Answer
A
Correct Option:
s = 1.3\times10^{-5}\,M; in 0.10\,M NaCl, s = 1.8\times10^{-9}\,M

About This Question

This is Neco Model Questions Vol1 2018 Chemistry Question 35. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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